diff --git a/app/components/search_component.html.erb b/app/components/search_component.html.erb
index 5e3eb4ae3..62dca0ec2 100644
--- a/app/components/search_component.html.erb
+++ b/app/components/search_component.html.erb
@@ -1,4 +1,4 @@
-<%= form_with model: @user, url: path(current_user), method: "get", local: true do |f| %>
+<%= form_with url: path(current_user), method: "get", local: true do |f| %>
   <div class="app-search govuk-!-margin-bottom-4">
     <%= f.govuk_text_field :search,
       form_group: {
diff --git a/app/controllers/sessions_controller.rb b/app/controllers/sessions_controller.rb
index 70a538900..a912c9817 100644
--- a/app/controllers/sessions_controller.rb
+++ b/app/controllers/sessions_controller.rb
@@ -1,20 +1,20 @@
 class SessionsController < ApplicationController
   def clear_filters
     session[session_name_for(params[:filter_type])] = "{}"
-    path_params = params[:path_params].presence || {}
+    filter_path_params = params[:filter_path_params].presence || {}
 
-    if path_params[:organisation_id].present?
-      redirect_to send("#{params[:filter_type]}_organisation_path", id: path_params[:organisation_id], scheme_id: path_params[:scheme_id], search: path_params[:search])
+    if filter_path_params[:organisation_id].present?
+      redirect_to send("#{params[:filter_type]}_organisation_path", id: filter_path_params[:organisation_id], scheme_id: filter_path_params[:scheme_id], search: filter_path_params[:search])
     elsif params[:filter_type].include?("bulk_uploads")
       bulk_upload_type = params[:filter_type].split("_").first
       uploading_organisation = params[:organisation_id].presence
       if uploading_organisation.present?
-        redirect_to send("bulk_uploads_#{bulk_upload_type}_logs_path", search: path_params[:search], uploading_organisation:)
+        redirect_to send("bulk_uploads_#{bulk_upload_type}_logs_path", search: filter_path_params[:search], uploading_organisation:)
       else
-        redirect_to send("bulk_uploads_#{bulk_upload_type}_logs_path", search: path_params[:search])
+        redirect_to send("bulk_uploads_#{bulk_upload_type}_logs_path", search: filter_path_params[:search])
       end
     else
-      redirect_to send("#{params[:filter_type]}_path", scheme_id: path_params[:scheme_id], search: path_params[:search])
+      redirect_to send("#{params[:filter_type]}_path", scheme_id: filter_path_params[:scheme_id], search: filter_path_params[:search])
     end
   end
 
diff --git a/app/helpers/filters_helper.rb b/app/helpers/filters_helper.rb
index 99c69c636..b983609b8 100644
--- a/app/helpers/filters_helper.rb
+++ b/app/helpers/filters_helper.rb
@@ -165,9 +165,9 @@ module FiltersHelper
     applied_filters_count(filter_type).zero? ? "No filters applied" : "#{pluralize(applied_filters_count(filter_type), 'filter')} applied"
   end
 
-  def reset_filters_link(filter_type, path_params = {})
+  def reset_filters_link(filter_type, filter_path_params = {})
     if applied_filters_count(filter_type).positive?
-      govuk_link_to "Clear", clear_filters_path(filter_type:, path_params:)
+      govuk_link_to "Clear", clear_filters_path(filter_type:, filter_path_params:)
     end
   end
 
diff --git a/config/locales/test.en.yml b/config/locales/test.en.yml
new file mode 100644
index 000000000..ca1a93282
--- /dev/null
+++ b/config/locales/test.en.yml
@@ -0,0 +1,17 @@
+en:
+  forms:
+    2021:
+      lettings:
+        guidance:
+          what_counts_as_income:
+            title: "What counts as income?"
+            content: "What counts as income?"
+          finding_scheme:
+            title: "Can’t find your scheme?"
+            content: "<p>Schemes are attached to the organisation that owns the property. Check you have correctly answered question 1 \"Which organisation owns this property?\"</p>
+              <p>If your organisation’s schemes were migrated from old CORE, they may have new names and codes. Search by postcode to find your scheme.</p>"
+            scheme_changes_link_text: "Read more about how schemes have changed"
+            view_schemes_link_text: "View your organisation’s schemes"
+  soft_validations:
+    net_income:
+      hint_text: "hint text"
diff --git a/spec/controllers/errors_controller_spec.rb b/spec/controllers/errors_controller_spec.rb
index d8ae16165..30361ea42 100644
--- a/spec/controllers/errors_controller_spec.rb
+++ b/spec/controllers/errors_controller_spec.rb
@@ -18,7 +18,7 @@ RSpec.describe ErrorsController, type: :controller do
   describe "GET #unprocessable_entity" do
     it "returns unprocessable_entity" do
       get :unprocessable_entity
-      expect(response).to have_http_status(:unprocessable_entity)
+      expect(response).to have_http_status(:unprocessable_content)
     end
   end
 end
diff --git a/spec/features/organisation_spec.rb b/spec/features/organisation_spec.rb
index 6f90428be..15bfecf39 100644
--- a/spec/features/organisation_spec.rb
+++ b/spec/features/organisation_spec.rb
@@ -206,14 +206,14 @@ RSpec.describe "User Features" do
       it "can filter lettings logs by year" do
         check("years-2022-field")
         click_button("Apply filters")
-        expect(page).to have_current_path("/organisations/#{org_id}/lettings-logs?years[]=&years[]=2022&status[]=&needstypes[]=&assigned_to=all&user_text_search=&user=&owning_organisation_select=all&owning_organisation_text_search=&owning_organisation=&managing_organisation_select=all&managing_organisation_text_search=&managing_organisation=")
+        expect(page).to have_current_path("/organisations/#{org_id}/lettings-logs?%5Byears%5D[]=&years[]=2022&%5Bstatus%5D[]=&%5Bneedstypes%5D[]=&assigned_to=all&user_text_search=&user=&owning_organisation_select=all&owning_organisation_text_search=&owning_organisation=&managing_organisation_select=all&managing_organisation_text_search=&managing_organisation=")
         expect(page).not_to have_link first_log.id.to_s, href: "/lettings-logs/#{first_log.id}"
       end
 
       it "can filter lettings logs by needstype" do
         check("needstypes-1-field")
         click_button("Apply filters")
-        expect(page).to have_current_path("/organisations/#{org_id}/lettings-logs?years[]=&status[]=&needstypes[]=&needstypes[]=1&assigned_to=all&user_text_search=&user=&owning_organisation_select=all&owning_organisation_text_search=&owning_organisation=&managing_organisation_select=all&managing_organisation_text_search=&managing_organisation=")
+        expect(page).to have_current_path("/organisations/#{org_id}/lettings-logs?%5Byears%5D[]=&%5Bstatus%5D[]=&%5Bneedstypes%5D[]=&needstypes[]=1&assigned_to=all&user_text_search=&user=&owning_organisation_select=all&owning_organisation_text_search=&owning_organisation=&managing_organisation_select=all&managing_organisation_text_search=&managing_organisation=")
         other_general_needs_logs.each do |general_needs_log|
           expect(page).to have_link general_needs_log.id.to_s, href: "/lettings-logs/#{general_needs_log.id}"
         end
@@ -256,7 +256,7 @@ RSpec.describe "User Features" do
         end
         check("years-2022-field")
         click_button("Apply filters")
-        expect(page).to have_current_path("/organisations/#{org_id}/sales-logs?years[]=&years[]=2022&status[]=&assigned_to=all&user_text_search=&user=&owning_organisation_select=all&owning_organisation_text_search=&owning_organisation=&managing_organisation_select=all&managing_organisation_text_search=&managing_organisation=")
+        expect(page).to have_current_path("/organisations/#{org_id}/sales-logs?%5Byears%5D[]=&years[]=2022&%5Bstatus%5D[]=&assigned_to=all&user_text_search=&user=&owning_organisation_select=all&owning_organisation_text_search=&owning_organisation=&managing_organisation_select=all&managing_organisation_text_search=&managing_organisation=")
         expect(page).not_to have_link first_log.id.to_s, href: "/sales-logs/#{first_log.id}"
       end
     end
diff --git a/spec/features/schemes_spec.rb b/spec/features/schemes_spec.rb
index dfb56665b..84572f35b 100644
--- a/spec/features/schemes_spec.rb
+++ b/spec/features/schemes_spec.rb
@@ -87,7 +87,7 @@ RSpec.describe "Schemes scheme Features" do
 
             it "displays the filters component with a correct count and clear button" do
               expect(page).to have_content("2 filters applied")
-              expect(page).to have_link("Clear", href: /clear-filters\?filter_type=schemes/)
+              expect(page).to have_link("Clear", href: /clear-filters\?.*filter_type=schemes/)
             end
 
             context "when clearing the filters" do
@@ -326,7 +326,7 @@ RSpec.describe "Schemes scheme Features" do
 
                 it "displays the filters component with a correct count and clear button" do
                   expect(page).to have_content("2 filters applied")
-                  expect(page).to have_link("Clear", href: /\/clear-filters\?filter_type=scheme_locations/)
+                  expect(page).to have_link("Clear", href: /\/clear-filters\?.*filter_type=scheme_locations/)
                 end
 
                 context "when clearing the filters" do
diff --git a/spec/features/user_spec.rb b/spec/features/user_spec.rb
index 2e837abe2..de3f2cbc5 100644
--- a/spec/features/user_spec.rb
+++ b/spec/features/user_spec.rb
@@ -269,7 +269,7 @@ RSpec.describe "User Features" do
 
           it "displays the filters component with a correct count and clear button" do
             expect(page).to have_content("2 filters applied")
-            expect(page).to have_link("Clear", href: /clear-filters\?filter_type=users/)
+            expect(page).to have_link("Clear", href: /clear-filters\?.*filter_type=users/)
           end
 
           context "when clearing the filters" do
@@ -678,7 +678,7 @@ RSpec.describe "User Features" do
           fill_in("code", with: otp)
           click_button("Submit")
           expect(page).to have_content("Check your email")
-          expect(page).to have_http_status(:unprocessable_entity)
+          expect(page).to have_http_status(:unprocessable_content)
           expect(page).to have_title("Error")
           expect(page).to have_selector(".govuk-error-summary__title")
         end
@@ -691,7 +691,7 @@ RSpec.describe "User Features" do
         fill_in("code", with: otp)
         click_button("Submit")
         expect(page).to have_content("Check your email")
-        expect(page).to have_http_status(:unprocessable_entity)
+        expect(page).to have_http_status(:unprocessable_content)
         expect(page).to have_title("Error")
         expect(page).to have_selector(".govuk-error-summary__title")
       end
diff --git a/spec/requests/auth/passwords_controller_spec.rb b/spec/requests/auth/passwords_controller_spec.rb
index f35df1c5a..2685e19ab 100644
--- a/spec/requests/auth/passwords_controller_spec.rb
+++ b/spec/requests/auth/passwords_controller_spec.rb
@@ -107,7 +107,7 @@ RSpec.describe Auth::PasswordsController, type: :request do
 
         it "shows an error on the same page" do
           put "/account/password", headers: headers, params: params
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_css("h1", text: "Reset your password")
           expect(page).to have_content("passwords you entered do not match")
         end
diff --git a/spec/requests/delete_logs_controller_spec.rb b/spec/requests/delete_logs_controller_spec.rb
index cde0848f6..b055e9dd1 100644
--- a/spec/requests/delete_logs_controller_spec.rb
+++ b/spec/requests/delete_logs_controller_spec.rb
@@ -61,8 +61,9 @@ RSpec.describe "DeleteLogs", type: :request do
       allow(FilterManager).to receive(:filter_logs).and_return LettingsLog.all
     end
 
-    it "throws an error if selected ids are not provided" do
-      expect { post delete_logs_lettings_logs_path }.to raise_error ActionController::ParameterMissing
+    it "returns bad request if selected ids are not provided" do
+      post delete_logs_lettings_logs_path
+      expect(response).to have_http_status(:bad_request)
     end
 
     it "calls the filter service with the filters in the session and the search term from the query params" do
@@ -120,7 +121,8 @@ RSpec.describe "DeleteLogs", type: :request do
     end
 
     it "requires delete logs form data to be provided" do
-      expect { post delete_logs_confirmation_lettings_logs_path }.to raise_error(ActionController::ParameterMissing)
+      post delete_logs_confirmation_lettings_logs_path
+      expect(response).to have_http_status(:bad_request)
     end
 
     it "shows the correct title" do
@@ -346,8 +348,9 @@ RSpec.describe "DeleteLogs", type: :request do
       allow(FilterManager).to receive(:filter_logs).and_return SalesLog.all
     end
 
-    it "throws an error if selected ids are not provided" do
-      expect { post delete_logs_sales_logs_path }.to raise_error ActionController::ParameterMissing
+    it "returns bad request if selected ids are not provided" do
+      post delete_logs_sales_logs_path
+      expect(response).to have_http_status(:bad_request)
     end
 
     it "calls the filter service with the filters in the session and the search term from the query params" do
@@ -405,7 +408,8 @@ RSpec.describe "DeleteLogs", type: :request do
     end
 
     it "requires delete logs form data to be provided" do
-      expect { post delete_logs_confirmation_sales_logs_path }.to raise_error(ActionController::ParameterMissing)
+      post delete_logs_confirmation_sales_logs_path
+      expect(response).to have_http_status(:bad_request)
     end
 
     it "shows the correct title" do
@@ -635,8 +639,9 @@ RSpec.describe "DeleteLogs", type: :request do
         allow(FilterManager).to receive(:filter_logs).and_return LettingsLog.all
       end
 
-      it "throws an error if selected ids are not provided" do
-        expect { post delete_lettings_logs_organisation_path(id: organisation) }.to raise_error ActionController::ParameterMissing
+      it "returns bad request if selected ids are not provided" do
+        post delete_lettings_logs_organisation_path(id: organisation)
+        expect(response).to have_http_status(:bad_request)
       end
 
       it "calls the filter service with the filters in the session and the search term from the query params" do
@@ -694,7 +699,8 @@ RSpec.describe "DeleteLogs", type: :request do
       end
 
       it "requires delete logs form data to be provided" do
-        expect { post delete_lettings_logs_confirmation_organisation_path(id: organisation) }.to raise_error(ActionController::ParameterMissing)
+        post delete_lettings_logs_confirmation_organisation_path(id: organisation)
+        expect(response).to have_http_status(:bad_request)
       end
 
       it "shows the correct title" do
@@ -858,8 +864,9 @@ RSpec.describe "DeleteLogs", type: :request do
         allow(FilterManager).to receive(:filter_logs).and_return SalesLog.all
       end
 
-      it "throws an error if selected ids are not provided" do
-        expect { post delete_sales_logs_organisation_path(id: organisation) }.to raise_error ActionController::ParameterMissing
+      it "returns bad request if selected ids are not provided" do
+        post delete_sales_logs_organisation_path(id: organisation)
+        expect(response).to have_http_status(:bad_request)
       end
 
       it "calls the filter service with the filters in the session and the search term from the query params" do
@@ -917,7 +924,8 @@ RSpec.describe "DeleteLogs", type: :request do
       end
 
       it "requires delete logs form data to be provided" do
-        expect { post delete_sales_logs_confirmation_organisation_path(id: organisation) }.to raise_error(ActionController::ParameterMissing)
+        post delete_sales_logs_confirmation_organisation_path
+        expect(response).to have_http_status(:bad_request)
       end
 
       it "shows the correct title" do
diff --git a/spec/requests/form_controller_spec.rb b/spec/requests/form_controller_spec.rb
index 0cbec27d2..6ab49e302 100644
--- a/spec/requests/form_controller_spec.rb
+++ b/spec/requests/form_controller_spec.rb
@@ -1159,7 +1159,6 @@ RSpec.describe FormController, type: :request do
 
           it "displays a success banner" do
             follow_redirect!
-            follow_redirect!
 
             expect(response.body).to include("You have successfully updated Q31: lead tenant’s age")
           end
@@ -1182,7 +1181,6 @@ RSpec.describe FormController, type: :request do
           end
 
           it "displays a success banner without crashing" do
-            follow_redirect!
             follow_redirect!
             expect(response.body).to include("You have successfully updated")
           end
diff --git a/spec/requests/lettings_logs_controller_spec.rb b/spec/requests/lettings_logs_controller_spec.rb
index b902305ad..14cd3095c 100644
--- a/spec/requests/lettings_logs_controller_spec.rb
+++ b/spec/requests/lettings_logs_controller_spec.rb
@@ -81,7 +81,7 @@ RSpec.describe LettingsLogsController, type: :request do
 
         it "validates lettings log parameters" do
           json_response = JSON.parse(response.body)
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(json_response["errors"]).to match_array([["offered", [I18n.t("validations.shared.numeric.within_range", field: "Times previously offered since becoming available", min: 0, max: 20)]], ["age1", [I18n.t("validations.shared.numeric.within_range", field: "Lead tenant’s age", min: 16, max: 120)]]])
         end
       end
@@ -1612,7 +1612,7 @@ RSpec.describe LettingsLogsController, type: :request do
       let(:params) { { age1: 200 } }
 
       it "returns 422" do
-        expect(response).to have_http_status(:unprocessable_entity)
+        expect(response).to have_http_status(:unprocessable_content)
       end
 
       it "returns an error message" do
diff --git a/spec/requests/locations_controller_spec.rb b/spec/requests/locations_controller_spec.rb
index 6de8e7d33..9afdc94f2 100644
--- a/spec/requests/locations_controller_spec.rb
+++ b/spec/requests/locations_controller_spec.rb
@@ -1192,7 +1192,7 @@ RSpec.describe LocationsController, type: :request do
         end
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.startdate_invalid"))
         end
       end
@@ -1266,7 +1266,7 @@ RSpec.describe LocationsController, type: :request do
         end
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.startdate_invalid"))
         end
       end
@@ -1702,7 +1702,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { "deactivation_date": "" } } }
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.not_selected"))
         end
       end
@@ -1711,7 +1711,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { deactivation_date_type: "other", "deactivation_date(3i)": "10", "deactivation_date(2i)": "44", "deactivation_date(1i)": "2022" } } }
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.invalid"))
         end
       end
@@ -1720,7 +1720,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { deactivation_date_type: "other", "deactivation_date(3i)": "10", "deactivation_date(2i)": "4", "deactivation_date(1i)": "2020" } } }
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.out_of_range", date: "1 April 2022"))
         end
       end
@@ -1729,7 +1729,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { deactivation_date_type: "other", "deactivation_date(3i)": "", "deactivation_date(2i)": "2", "deactivation_date(1i)": "2022" } } }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.invalid"))
         end
       end
@@ -1738,7 +1738,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { deactivation_date_type: "other", "deactivation_date(3i)": "2", "deactivation_date(2i)": "", "deactivation_date(1i)": "2022" } } }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.invalid"))
         end
       end
@@ -1747,7 +1747,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { deactivation_date_type: "other", "deactivation_date(3i)": "2", "deactivation_date(2i)": "2", "deactivation_date(1i)": "" } } }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.invalid"))
         end
       end
@@ -1758,7 +1758,7 @@ RSpec.describe LocationsController, type: :request do
         let(:add_deactivations) { create(:location_deactivation_period, deactivation_date: Time.zone.local(2022, 5, 5), reactivation_date: Time.zone.local(2022, 10, 12), location:) }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.deactivation.during_deactivated_period"))
         end
       end
@@ -2110,7 +2110,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { "reactivation_date": "" } } }
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.not_selected"))
         end
       end
@@ -2119,7 +2119,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { reactivation_date_type: "other", "reactivation_date(3i)": "10", "reactivation_date(2i)": "44", "reactivation_date(1i)": "2022" } } }
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.invalid"))
         end
       end
@@ -2128,7 +2128,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { reactivation_date_type: "other", "reactivation_date(3i)": "10", "reactivation_date(2i)": "4", "reactivation_date(1i)": "2020" } } }
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.out_of_range", date: "1 April 2022"))
         end
       end
@@ -2137,7 +2137,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { reactivation_date_type: "other", "reactivation_date(3i)": "", "reactivation_date(2i)": "2", "reactivation_date(1i)": "2022" } } }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.invalid"))
         end
       end
@@ -2146,7 +2146,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { reactivation_date_type: "other", "reactivation_date(3i)": "2", "reactivation_date(2i)": "", "reactivation_date(1i)": "2022" } } }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.invalid"))
         end
       end
@@ -2155,7 +2155,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { reactivation_date_type: "other", "reactivation_date(3i)": "2", "reactivation_date(2i)": "2", "reactivation_date(1i)": "" } } }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.toggle_date.invalid"))
         end
       end
@@ -2165,7 +2165,7 @@ RSpec.describe LocationsController, type: :request do
         let(:params) { { location_deactivation_period: { reactivation_date_type: "other", "reactivation_date(3i)": "8", "reactivation_date(2i)": "9", "reactivation_date(1i)": "2022" } } }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.location.reactivation.before_deactivation", date: "10 October 2022"))
         end
       end
diff --git a/spec/requests/merge_requests_controller_spec.rb b/spec/requests/merge_requests_controller_spec.rb
index 074d2186c..4c07dbfb7 100644
--- a/spec/requests/merge_requests_controller_spec.rb
+++ b/spec/requests/merge_requests_controller_spec.rb
@@ -95,7 +95,7 @@ RSpec.describe MergeRequestsController, type: :request do
         end
 
         it "displays the page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content("Another merge request records #{another_organisation.name} as merging into #{other_merge_request.absorbing_organisation&.name} on 4 May 2022. Select another organisation or remove this organisation from the other merge request.")
         end
       end
@@ -113,7 +113,7 @@ RSpec.describe MergeRequestsController, type: :request do
         it "does not update the merge request" do
           merge_request.reload
           expect(merge_request.merging_organisations.count).to eq(0)
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.merge_request.organisation_part_of_another_merge"))
         end
       end
@@ -159,7 +159,7 @@ RSpec.describe MergeRequestsController, type: :request do
         it "does not update the merge request" do
           merge_request.reload
           expect(merge_request.merging_organisations.count).to eq(0)
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.merge_request.organisation_not_selected"))
         end
       end
@@ -174,7 +174,7 @@ RSpec.describe MergeRequestsController, type: :request do
         it "does not update the merge request" do
           merge_request.reload
           expect(merge_request.merging_organisations.count).to eq(0)
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.merge_request.organisation_not_selected"))
         end
       end
@@ -363,7 +363,7 @@ RSpec.describe MergeRequestsController, type: :request do
           it "renders the error" do
             request
 
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content("Enter a merge date")
           end
 
@@ -385,7 +385,7 @@ RSpec.describe MergeRequestsController, type: :request do
           it "displays the page with an error message" do
             request
 
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content("Enter a valid merge date")
           end
         end
@@ -426,7 +426,7 @@ RSpec.describe MergeRequestsController, type: :request do
           it "displays the page with an error message" do
             request
 
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content("The merge date must not be later than a year from today’s date.")
           end
         end
@@ -467,7 +467,7 @@ RSpec.describe MergeRequestsController, type: :request do
           it "renders the error" do
             request
 
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content("You must answer absorbing organisation already active?")
           end
 
@@ -490,7 +490,7 @@ RSpec.describe MergeRequestsController, type: :request do
           it "renders the error" do
             request
 
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content("You must answer was this merge reported by a helpdesk ticket?")
           end
 
@@ -511,7 +511,7 @@ RSpec.describe MergeRequestsController, type: :request do
           it "renders the error" do
             request
 
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content("You must answer the ticket number")
           end
 
diff --git a/spec/requests/notifications_controller_spec.rb b/spec/requests/notifications_controller_spec.rb
index 0982057ab..367c64550 100644
--- a/spec/requests/notifications_controller_spec.rb
+++ b/spec/requests/notifications_controller_spec.rb
@@ -37,7 +37,7 @@ RSpec.describe NotificationsController, type: :request do
 
         it "gives an error response" do
           request
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
         end
       end
 
diff --git a/spec/requests/organisations_controller_spec.rb b/spec/requests/organisations_controller_spec.rb
index af9027753..0a5614be3 100644
--- a/spec/requests/organisations_controller_spec.rb
+++ b/spec/requests/organisations_controller_spec.rb
@@ -1889,7 +1889,7 @@ RSpec.describe OrganisationsController, type: :request do
 
           it "displays the form with an error message" do
             request
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content(I18n.t("validations.organisation.name_missing"))
             expect(page).to have_content(I18n.t("validations.organisation.provider_type_missing"))
           end
@@ -2055,7 +2055,7 @@ RSpec.describe OrganisationsController, type: :request do
           end
 
           it "has clear filters link" do
-            expect(page).to have_link("Clear", href: clear_filters_path(filter_type: "lettings_logs", path_params: { organisation_id: organisation.id }))
+            expect(page).to have_link("Clear", href: clear_filters_path(filter_type: "lettings_logs", filter_path_params: { organisation_id: organisation.id }))
           end
         end
       end
@@ -2417,7 +2417,7 @@ RSpec.describe OrganisationsController, type: :request do
           it "displays an error" do
             post "/organisations/#{organisation.id}/schemes/duplicates", headers: headers, params: params
 
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content("You must resolve all duplicates or indicate that there are no duplicates")
           end
         end
diff --git a/spec/requests/sales_logs_controller_spec.rb b/spec/requests/sales_logs_controller_spec.rb
index 840613458..06461bf4f 100644
--- a/spec/requests/sales_logs_controller_spec.rb
+++ b/spec/requests/sales_logs_controller_spec.rb
@@ -92,7 +92,7 @@ RSpec.describe SalesLogsController, type: :request do
 
         it "validates sales log parameters" do
           json_response = JSON.parse(response.body)
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(json_response["errors"]).to match_array([["beds", ["Number of bedrooms must be 1 if the property is a bedsit."]], ["proptype", ["Answer cannot be 'Bedsit' if the property has 2 or more bedrooms."]]])
         end
       end
diff --git a/spec/requests/schemes_controller_spec.rb b/spec/requests/schemes_controller_spec.rb
index 2eb2330c8..713e54142 100644
--- a/spec/requests/schemes_controller_spec.rb
+++ b/spec/requests/schemes_controller_spec.rb
@@ -1057,7 +1057,7 @@ RSpec.describe SchemesController, type: :request do
 
           it "renders the same page with error message" do
             post "/schemes", params: params
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content("Create a new supported housing scheme")
             expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.scheme_type.invalid"))
             expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.registered_under_care_act.invalid"))
@@ -1185,7 +1185,7 @@ RSpec.describe SchemesController, type: :request do
 
           it "renders the same page with error message" do
             post "/schemes", params: params
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content("Create a new supported housing scheme")
             expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.scheme_type.invalid"))
             expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.registered_under_care_act.invalid"))
@@ -1318,7 +1318,7 @@ RSpec.describe SchemesController, type: :request do
 
         it "renders the same page with error message" do
           post "/schemes", params: params
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content("Create a new supported housing scheme")
           expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.scheme_type.invalid"))
           expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.registered_under_care_act.invalid"))
@@ -1334,7 +1334,7 @@ RSpec.describe SchemesController, type: :request do
 
         it "displays the new page with an error message" do
           post "/schemes", params: params
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content("Enter an organisation that owns housing stock")
         end
       end
@@ -1375,7 +1375,7 @@ RSpec.describe SchemesController, type: :request do
         let(:params) { { scheme: { owning_organisation_id: user.organisation.id, arrangement_type: nil, confirmed: true, page: "check-answers" } } }
 
         it "does not allow the scheme to be confirmed" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.arrangement_type.invalid"))
         end
       end
@@ -1417,7 +1417,7 @@ RSpec.describe SchemesController, type: :request do
         end
 
         it "renders the same page with error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content("Create a new supported housing scheme")
           expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.service_name.invalid"))
           expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.scheme_type.invalid"))
@@ -1684,7 +1684,7 @@ RSpec.describe SchemesController, type: :request do
         let(:params) { { scheme: { owning_organisation_id: user.organisation.id, arrangement_type: nil, confirmed: true, page: "check-answers" } } }
 
         it "does not allow the scheme to be confirmed" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.arrangement_type.invalid"))
         end
       end
@@ -1728,7 +1728,7 @@ RSpec.describe SchemesController, type: :request do
         end
 
         it "renders the same page with error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content("Create a new supported housing scheme")
           expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.owning_organisation_id.invalid"))
           expect(page).to have_content(I18n.t("activerecord.errors.models.scheme.attributes.service_name.invalid"))
@@ -2895,7 +2895,7 @@ RSpec.describe SchemesController, type: :request do
         let(:params) { { scheme_deactivation_period: { "deactivation_date": "" } } }
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.scheme.toggle_date.not_selected"))
         end
       end
@@ -2904,7 +2904,7 @@ RSpec.describe SchemesController, type: :request do
         let(:params) { { scheme_deactivation_period: { deactivation_date_type: "other", "deactivation_date(3i)": "10", "deactivation_date(2i)": "44", "deactivation_date(1i)": "2022" } } }
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.scheme.toggle_date.invalid"))
         end
       end
@@ -2913,7 +2913,7 @@ RSpec.describe SchemesController, type: :request do
         let(:params) { { scheme_deactivation_period: { deactivation_date_type: "other", "deactivation_date(3i)": "10", "deactivation_date(2i)": "4", "deactivation_date(1i)": "2020" } } }
 
         it "displays the new page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.scheme.toggle_date.out_of_range", date: "1 April 2022"))
         end
       end
@@ -2922,7 +2922,7 @@ RSpec.describe SchemesController, type: :request do
         let(:params) { { scheme_deactivation_period: { deactivation_date_type: "other", "deactivation_date(3i)": "", "deactivation_date(2i)": "2", "deactivation_date(1i)": "2022" } } }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.scheme.toggle_date.invalid"))
         end
       end
@@ -2931,7 +2931,7 @@ RSpec.describe SchemesController, type: :request do
         let(:params) { { scheme_deactivation_period: { deactivation_date_type: "other", "deactivation_date(3i)": "2", "deactivation_date(2i)": "", "deactivation_date(1i)": "2022" } } }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.scheme.toggle_date.invalid"))
         end
       end
@@ -2940,7 +2940,7 @@ RSpec.describe SchemesController, type: :request do
         let(:params) { { scheme_deactivation_period: { deactivation_date_type: "other", "deactivation_date(3i)": "2", "deactivation_date(2i)": "2", "deactivation_date(1i)": "" } } }
 
         it "displays page with an error message" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.scheme.toggle_date.invalid"))
         end
       end
diff --git a/spec/requests/users_controller_spec.rb b/spec/requests/users_controller_spec.rb
index 12418d532..257bd681a 100644
--- a/spec/requests/users_controller_spec.rb
+++ b/spec/requests/users_controller_spec.rb
@@ -67,7 +67,7 @@ RSpec.describe UsersController, type: :request do
         end
 
         it "shows an error on the same page if passwords don't match" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_css("h1", class: "govuk-heading-l", text: "Change your password")
           expect(page).to have_selector(".govuk-error-summary__title")
           expect(page).to have_content("passwords you entered do not match")
@@ -349,7 +349,7 @@ RSpec.describe UsersController, type: :request do
         end
 
         it "show an error" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
         end
       end
 
@@ -377,7 +377,7 @@ RSpec.describe UsersController, type: :request do
         end
 
         it "shows an error if passwords don't match" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_selector(".govuk-error-summary__title")
         end
       end
@@ -792,9 +792,8 @@ RSpec.describe UsersController, type: :request do
 
       context "when the current user does not match the user ID" do
         it "there is no route" do
-          expect {
-            get "/users/#{other_user.id}/password/edit", headers:, params: {}
-          }.to raise_error(ActionController::RoutingError)
+          get "/users/#{other_user.id}/password/edit", headers:, params: {}
+          expect(response).to have_http_status(:not_found)
         end
       end
     end
@@ -840,7 +839,7 @@ RSpec.describe UsersController, type: :request do
           end
 
           it "shows an error if passwords don't match" do
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_selector(".govuk-error-summary__title")
           end
         end
@@ -955,7 +954,7 @@ RSpec.describe UsersController, type: :request do
         end
 
         it "show an error" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
         end
       end
 
@@ -976,7 +975,7 @@ RSpec.describe UsersController, type: :request do
           let(:phone) { "" }
 
           it "validates telephone number" do
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.phone.blank"))
           end
         end
@@ -985,7 +984,7 @@ RSpec.describe UsersController, type: :request do
           let(:phone) { "randomstring" }
 
           it "validates telephone number" do
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.phone.invalid"))
           end
         end
@@ -994,7 +993,7 @@ RSpec.describe UsersController, type: :request do
           let(:phone) { "123" }
 
           it "validates telephone number" do
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.phone.invalid"))
           end
         end
@@ -1075,7 +1074,7 @@ RSpec.describe UsersController, type: :request do
 
         it "shows an error" do
           request
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.email.taken"))
         end
       end
@@ -1093,7 +1092,7 @@ RSpec.describe UsersController, type: :request do
 
         it "shows an error" do
           request
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("validations.role.invalid"))
         end
       end
@@ -1111,7 +1110,7 @@ RSpec.describe UsersController, type: :request do
 
         it "shows an error" do
           request
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.name.blank"))
           expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.email.blank"))
         end
@@ -1131,7 +1130,7 @@ RSpec.describe UsersController, type: :request do
 
           it "validates telephone number" do
             request
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.phone.invalid"))
           end
         end
@@ -1141,7 +1140,7 @@ RSpec.describe UsersController, type: :request do
 
           it "validates telephone number" do
             request
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.phone.invalid"))
           end
         end
@@ -1748,9 +1747,8 @@ RSpec.describe UsersController, type: :request do
 
       context "when the current user does not match the user ID" do
         it "there is no route" do
-          expect {
-            get "/users/#{other_user.id}/password/edit", headers:, params: {}
-          }.to raise_error(ActionController::RoutingError)
+          get "/users/#{other_user.id}/password/edit", headers:, params: {}
+          expect(response).to have_http_status(:not_found)
         end
       end
     end
@@ -1912,7 +1910,7 @@ RSpec.describe UsersController, type: :request do
           end
 
           it "shows an error if passwords don't match" do
-            expect(response).to have_http_status(:unprocessable_entity)
+            expect(response).to have_http_status(:unprocessable_content)
             expect(page).to have_selector(".govuk-error-summary__title")
           end
         end
@@ -1928,7 +1926,7 @@ RSpec.describe UsersController, type: :request do
             let(:params) { { id: user.id, user: { organisation_id: "" } } }
 
             it "does not update the organisation" do
-              expect(response).to have_http_status(:unprocessable_entity)
+              expect(response).to have_http_status(:unprocessable_content)
               expect(page).to have_selector(".govuk-error-summary__title")
             end
           end
@@ -2097,7 +2095,7 @@ RSpec.describe UsersController, type: :request do
               let(:params) { { id: other_user.id, user: { organisation_id: "" } } }
 
               it "does not update the organisation" do
-                expect(response).to have_http_status(:unprocessable_entity)
+                expect(response).to have_http_status(:unprocessable_content)
                 expect(page).to have_selector(".govuk-error-summary__title")
               end
             end
@@ -2136,7 +2134,7 @@ RSpec.describe UsersController, type: :request do
               end
 
               it "displays the error message" do
-                expect(response).to have_http_status(:unprocessable_entity)
+                expect(response).to have_http_status(:unprocessable_content)
                 expect(page).to have_content("Select if you want to reassign logs")
               end
             end
@@ -2184,7 +2182,7 @@ RSpec.describe UsersController, type: :request do
                 end
 
                 it "required the new org to have stock owner relationship with the current user org" do
-                  expect(response).to have_http_status(:unprocessable_entity)
+                  expect(response).to have_http_status(:unprocessable_content)
                   expect(page).to have_content("New org must be a stock owner of #{other_user.organisation_name} to make this change.")
                 end
               end
@@ -2198,7 +2196,7 @@ RSpec.describe UsersController, type: :request do
                 end
 
                 it "required the new org to have stock owner relationship with the managing organisations" do
-                  expect(response).to have_http_status(:unprocessable_entity)
+                  expect(response).to have_http_status(:unprocessable_content)
                   expect(page).to have_content("New org must be a stock owner of #{other_user.organisation_name}, #{new_organisation_2.name}, and #{new_organisation_3.name} to make this change.")
                 end
               end
@@ -2215,7 +2213,7 @@ RSpec.describe UsersController, type: :request do
                 end
 
                 it "required the new org to have managing agent relationship with the current user org" do
-                  expect(response).to have_http_status(:unprocessable_entity)
+                  expect(response).to have_http_status(:unprocessable_content)
                   expect(page).to have_content("New org must be a managing agent of #{other_user.organisation_name} to make this change.")
                 end
               end
@@ -2229,7 +2227,7 @@ RSpec.describe UsersController, type: :request do
                 end
 
                 it "required the new org to have managing agent relationship with owning organisations" do
-                  expect(response).to have_http_status(:unprocessable_entity)
+                  expect(response).to have_http_status(:unprocessable_content)
                   expect(page).to have_content("New org must be a managing agent of #{other_user.organisation.name}, #{new_organisation_2.name}, and #{new_organisation_3.name} to make this change.")
                 end
               end
@@ -2246,7 +2244,7 @@ RSpec.describe UsersController, type: :request do
         end
 
         it "show an error" do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
         end
       end
     end
@@ -2309,7 +2307,7 @@ RSpec.describe UsersController, type: :request do
 
         it "shows an error messages for all failed validations" do
           request
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.name.blank"))
           expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.email.blank"))
           expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.organisation_id.blank"))
@@ -2324,7 +2322,7 @@ RSpec.describe UsersController, type: :request do
 
         it "shows an error" do
           request
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(:unprocessable_content)
           expect(page).to have_content(I18n.t("activerecord.errors.models.user.attributes.email.taken"))
         end
       end
diff --git a/spec/services/merge/merge_organisations_service_spec.rb b/spec/services/merge/merge_organisations_service_spec.rb
index fbb52c2a5..f20e16a16 100644
--- a/spec/services/merge/merge_organisations_service_spec.rb
+++ b/spec/services/merge/merge_organisations_service_spec.rb
@@ -16,7 +16,7 @@ RSpec.describe Merge::MergeOrganisationsService do
     end
 
     context "when merging a single organisation into an existing organisation" do
-      subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: nil) }
+      subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids:, merge_date: nil) }
 
       let(:absorbing_organisation) { create(:organisation, holds_own_stock: false, name: "absorbing org") }
       let(:absorbing_organisation_user) { create(:user, organisation: absorbing_organisation) }
@@ -53,7 +53,7 @@ RSpec.describe Merge::MergeOrganisationsService do
       end
 
       it "rolls back if there's an error" do
-        allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+        allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
         allow(Organisation).to receive(:find).with(absorbing_organisation.id).and_return(absorbing_organisation)
         allow(absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
         expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -97,7 +97,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         it "rolls back if there's an error" do
-          allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+          allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
           allow(Organisation).to receive(:find).with(absorbing_organisation.id).and_return(absorbing_organisation)
           allow(absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
           expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -134,7 +134,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         it "rolls back if there's an error" do
-          allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+          allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
           allow(Organisation).to receive(:find).with(absorbing_organisation.id).and_return(absorbing_organisation)
           allow(absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
           expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -327,7 +327,7 @@ RSpec.describe Merge::MergeOrganisationsService do
           end
 
           context "and deactivation is after the merge date and before an open collection window" do
-            subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: Time.zone.today - 6.years) }
+            subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids:, merge_date: Time.zone.today - 6.years) }
 
             let!(:scheme) { create(:scheme, owning_organisation: merging_organisation, old_id: "scheme_old_id", old_visible_id: "scheme_old_visible_id", startdate: nil) }
             let!(:location) { create(:location, scheme:, old_id: "location_old_id", old_visible_id: "location_old_visible_id", startdate: nil) }
@@ -551,7 +551,7 @@ RSpec.describe Merge::MergeOrganisationsService do
           end
 
           it "rolls back if there's an error" do
-            allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+            allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
             allow(Organisation).to receive(:find).with(absorbing_organisation.id).and_return(absorbing_organisation)
             allow(absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
             expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -584,7 +584,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         it "rolls back if there's an error" do
-          allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+          allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
           allow(Organisation).to receive(:find).with(absorbing_organisation.id).and_return(absorbing_organisation)
           allow(absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
           expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -596,7 +596,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         context "with merge date in closed collection year" do
-          subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: Time.zone.local(2021, 3, 3)) }
+          subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids:, merge_date: Time.zone.local(2021, 3, 3)) }
 
           it "does not validate saledate for closed collection years" do
             sales_log.saledate = Time.zone.local(2022, 5, 1)
@@ -611,7 +611,7 @@ RSpec.describe Merge::MergeOrganisationsService do
       end
 
       context "and merge date is provided" do
-        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: Time.zone.yesterday) }
+        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids:, merge_date: Time.zone.yesterday) }
 
         it "sets merge date on merged organisation" do
           merge_organisations_service.call
@@ -646,7 +646,7 @@ RSpec.describe Merge::MergeOrganisationsService do
           end
 
           it "rolls back if there's an error" do
-            allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+            allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
             allow(Organisation).to receive(:find).with(absorbing_organisation.id).and_return(absorbing_organisation)
             allow(absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
             expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -682,7 +682,7 @@ RSpec.describe Merge::MergeOrganisationsService do
           end
 
           it "rolls back if there's an error" do
-            allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+            allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
             allow(Organisation).to receive(:find).with(absorbing_organisation.id).and_return(absorbing_organisation)
             allow(absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
             expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -706,7 +706,7 @@ RSpec.describe Merge::MergeOrganisationsService do
           end
 
           context "with merge date in closed collection year" do
-            subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: Time.zone.local(2021, 3, 3)) }
+            subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids:, merge_date: Time.zone.local(2021, 3, 3)) }
 
             it "does not validate startdate for closed collection years" do
               owned_lettings_log.startdate = Time.zone.local(2022, 4, 1)
@@ -825,7 +825,7 @@ RSpec.describe Merge::MergeOrganisationsService do
           end
 
           it "rolls back if there's an error" do
-            allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+            allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
             allow(Organisation).to receive(:find).with(absorbing_organisation.id).and_return(absorbing_organisation)
             allow(absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
             expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -842,7 +842,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         context "and absorbing_organisation_active_from_merge_date is true" do
-          subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: Time.zone.yesterday, absorbing_organisation_active_from_merge_date: true) }
+          subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids:, merge_date: Time.zone.yesterday, absorbing_organisation_active_from_merge_date: true) }
 
           it "sets available from to merge_date for absorbing organisation" do
             merge_organisations_service.call
@@ -854,7 +854,7 @@ RSpec.describe Merge::MergeOrganisationsService do
       end
 
       context "and absorbing_organisation_active_from_merge_date is true" do
-        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], absorbing_organisation_active_from_merge_date: true) }
+        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids:, absorbing_organisation_active_from_merge_date: true) }
 
         it "sets available from to merge_date (today) for absorbing organisation" do
           merge_organisations_service.call
@@ -910,7 +910,7 @@ RSpec.describe Merge::MergeOrganisationsService do
     end
 
     context "when merging a multiple organisations into an existing organisation" do
-      subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: nil) }
+      subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids:, merge_date: nil) }
 
       let(:absorbing_organisation) { create(:organisation, holds_own_stock: false, name: "absorbing org") }
       let(:absorbing_organisation_user) { create(:user, organisation: absorbing_organisation) }
@@ -944,7 +944,7 @@ RSpec.describe Merge::MergeOrganisationsService do
       end
 
       it "rolls back if there's an error" do
-        allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+        allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
         allow(Organisation).to receive(:find).with(absorbing_organisation.id).and_return(absorbing_organisation)
         allow(absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
         expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1069,7 +1069,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         it "rolls back if there's an error" do
-          allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+          allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
           allow(Organisation).to receive(:find).with(absorbing_organisation.id).and_return(absorbing_organisation)
           allow(absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
           expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1086,7 +1086,7 @@ RSpec.describe Merge::MergeOrganisationsService do
       end
 
       context "and merge date is provided" do
-        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: Time.zone.yesterday) }
+        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: absorbing_organisation.id, merging_organisation_ids:, merge_date: Time.zone.yesterday) }
 
         it "sets merge date and absorbing organisation on merged organisations" do
           merge_organisations_service.call
@@ -1102,7 +1102,7 @@ RSpec.describe Merge::MergeOrganisationsService do
     end
 
     context "when merging a single organisation into a new organisation" do
-      subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: nil) }
+      subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids:, merge_date: nil) }
 
       let(:new_absorbing_organisation) { create(:organisation, :without_dpc, holds_own_stock: false) }
       let(:new_absorbing_organisation_user) { create(:user, organisation: new_absorbing_organisation) }
@@ -1139,7 +1139,7 @@ RSpec.describe Merge::MergeOrganisationsService do
       end
 
       it "rolls back if there's an error" do
-        allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+        allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
         allow(Organisation).to receive(:find).with(new_absorbing_organisation.id).and_return(new_absorbing_organisation)
         allow(new_absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
         expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1183,7 +1183,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         it "rolls back if there's an error" do
-          allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+          allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
           allow(Organisation).to receive(:find).with(new_absorbing_organisation.id).and_return(new_absorbing_organisation)
           allow(new_absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
           expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1220,7 +1220,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         it "rolls back if there's an error" do
-          allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+          allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
           allow(Organisation).to receive(:find).with(new_absorbing_organisation.id).and_return(new_absorbing_organisation)
           allow(new_absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
           expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1325,7 +1325,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         it "rolls back if there's an error" do
-          allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+          allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
           allow(Organisation).to receive(:find).with(new_absorbing_organisation.id).and_return(new_absorbing_organisation)
           allow(new_absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
           expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1357,7 +1357,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         it "rolls back if there's an error" do
-          allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+          allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
           allow(Organisation).to receive(:find).with(new_absorbing_organisation.id).and_return(new_absorbing_organisation)
           allow(new_absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
           expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1370,7 +1370,7 @@ RSpec.describe Merge::MergeOrganisationsService do
       end
 
       context "and merge date is provided" do
-        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: Time.zone.yesterday) }
+        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids:, merge_date: Time.zone.yesterday) }
 
         it "sets merge date on merged organisation" do
           merge_organisations_service.call
@@ -1396,7 +1396,7 @@ RSpec.describe Merge::MergeOrganisationsService do
           end
 
           it "rolls back if there's an error" do
-            allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+            allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
             allow(Organisation).to receive(:find).with(new_absorbing_organisation.id).and_return(new_absorbing_organisation)
             allow(new_absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
             expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1432,7 +1432,7 @@ RSpec.describe Merge::MergeOrganisationsService do
           end
 
           it "rolls back if there's an error" do
-            allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+            allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
             allow(Organisation).to receive(:find).with(new_absorbing_organisation.id).and_return(new_absorbing_organisation)
             allow(new_absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
             expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1538,7 +1538,7 @@ RSpec.describe Merge::MergeOrganisationsService do
           end
 
           it "rolls back if there's an error" do
-            allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+            allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
             allow(Organisation).to receive(:find).with(new_absorbing_organisation.id).and_return(new_absorbing_organisation)
             allow(new_absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
             expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1555,7 +1555,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         context "and absorbing_organisation_active_from_merge_date is true" do
-          subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: Time.zone.yesterday, absorbing_organisation_active_from_merge_date: true) }
+          subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids:, merge_date: Time.zone.yesterday, absorbing_organisation_active_from_merge_date: true) }
 
           it "sets available from to merge_date for absorbing organisation" do
             merge_organisations_service.call
@@ -1567,7 +1567,7 @@ RSpec.describe Merge::MergeOrganisationsService do
       end
 
       context "and absorbing_organisation_active_from_merge_date is true" do
-        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], absorbing_organisation_active_from_merge_date: true) }
+        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids:, absorbing_organisation_active_from_merge_date: true) }
 
         it "sets available from to merge_date (today) for absorbing organisation" do
           merge_organisations_service.call
@@ -1579,7 +1579,7 @@ RSpec.describe Merge::MergeOrganisationsService do
     end
 
     context "when merging multiple organisations into a new organisation" do
-      subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: nil) }
+      subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids:, merge_date: nil) }
 
       let(:new_absorbing_organisation) { create(:organisation, :without_dpc, holds_own_stock: false) }
       let(:new_absorbing_organisation_user) { create(:user, organisation: new_absorbing_organisation) }
@@ -1628,7 +1628,7 @@ RSpec.describe Merge::MergeOrganisationsService do
       end
 
       it "rolls back if there's an error" do
-        allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+        allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
         allow(Organisation).to receive(:find).with(new_absorbing_organisation.id).and_return(new_absorbing_organisation)
         allow(new_absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
         expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1670,7 +1670,7 @@ RSpec.describe Merge::MergeOrganisationsService do
         end
 
         it "rolls back if there's an error" do
-          allow(Organisation).to receive(:find).with([merging_organisation_ids]).and_return(Organisation.find(merging_organisation_ids))
+          allow(Organisation).to receive(:find).with(merging_organisation_ids).and_return(Organisation.find(merging_organisation_ids))
           allow(Organisation).to receive(:find).with(new_absorbing_organisation.id).and_return(new_absorbing_organisation)
           allow(new_absorbing_organisation).to receive(:save!).and_raise(ActiveRecord::RecordInvalid)
           expect(Rails.logger).to receive(:error).with("Organisation merge failed with: Record invalid")
@@ -1687,7 +1687,7 @@ RSpec.describe Merge::MergeOrganisationsService do
       end
 
       context "and merge date is provided" do
-        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids: [merging_organisation_ids], merge_date: Time.zone.yesterday) }
+        subject(:merge_organisations_service) { described_class.new(absorbing_organisation_id: new_absorbing_organisation.id, merging_organisation_ids:, merge_date: Time.zone.yesterday) }
 
         it "sets merge date and absorbing organisation on merged organisations" do
           merge_organisations_service.call