diff --git a/app/controllers/form_controller.rb b/app/controllers/form_controller.rb
index 19d47f8e3..b0468c875 100644
--- a/app/controllers/form_controller.rb
+++ b/app/controllers/form_controller.rb
@@ -10,7 +10,7 @@ class FormController < ApplicationController
       responses_for_page = responses_for_page(@page)
       mandatory_questions_with_no_response = mandatory_questions_with_no_response(responses_for_page)
 
-      if mandatory_questions_with_no_response.empty? && @log.update(responses_for_page)
+      if mandatory_questions_with_no_response.empty? && @log.update(responses_for_page.merge(updated_by: current_user))
         session[:errors] = session[:fields] = nil
         redirect_to(successful_redirect_path)
       else
diff --git a/app/models/derived_variables/lettings_log_variables.rb b/app/models/derived_variables/lettings_log_variables.rb
index 1b1817ec3..96b937ab4 100644
--- a/app/models/derived_variables/lettings_log_variables.rb
+++ b/app/models/derived_variables/lettings_log_variables.rb
@@ -9,8 +9,6 @@ module DerivedVariables::LettingsLogVariables
   end
 
   def set_derived_fields!
-    # TODO: Remove once we support parent/child relationships
-    self.managing_organisation_id ||= owning_organisation_id
     if rsnvac.present?
       self.newprop = has_first_let_vacancy_reason? ? 1 : 2
     end
diff --git a/app/models/form/lettings/questions/managing_organisation.rb b/app/models/form/lettings/questions/managing_organisation.rb
index 82ae2aabd..3f33c8617 100644
--- a/app/models/form/lettings/questions/managing_organisation.rb
+++ b/app/models/form/lettings/questions/managing_organisation.rb
@@ -45,9 +45,9 @@ class Form::Lettings::Questions::ManagingOrganisation < ::Form::Question
     true
   end
 
-  def hidden_in_check_answers?(_log, user = nil)
+  def hidden_in_check_answers?(log, user = nil)
     @current_user = user
-    @current_user.nil?
+    @current_user.nil? || !@page.routed_to?(log, user)
   end
 
   def enabled
diff --git a/app/models/form/question.rb b/app/models/form/question.rb
index 05e712e38..5b4440e39 100644
--- a/app/models/form/question.rb
+++ b/app/models/form/question.rb
@@ -86,11 +86,11 @@ class Form::Question
     conditional_on.all? { |condition| evaluate_condition(condition, log) }
   end
 
-  def hidden_in_check_answers?(log, _current_user = nil)
+  def hidden_in_check_answers?(log, current_user = nil)
     if hidden_in_check_answers.is_a?(Hash)
       form.depends_on_met(hidden_in_check_answers["depends_on"], log)
     else
-      hidden_in_check_answers
+      hidden_in_check_answers || !page.routed_to?(log, current_user)
     end
   end
 
diff --git a/app/models/form/sales/pages/buyer1_income_value_check.rb b/app/models/form/sales/pages/buyer1_income_value_check.rb
index 243388ed9..51170702e 100644
--- a/app/models/form/sales/pages/buyer1_income_value_check.rb
+++ b/app/models/form/sales/pages/buyer1_income_value_check.rb
@@ -1,7 +1,6 @@
 class Form::Sales::Pages::Buyer1IncomeValueCheck < ::Form::Page
   def initialize(id, hsh, subsection)
     super
-    @id = "buyer_1_income_value_check"
     @header = ""
     @description = ""
     @subsection = subsection
diff --git a/app/models/form/sales/pages/mortgage_value_check.rb b/app/models/form/sales/pages/mortgage_value_check.rb
index 0495f4f4f..7bbd62cf8 100644
--- a/app/models/form/sales/pages/mortgage_value_check.rb
+++ b/app/models/form/sales/pages/mortgage_value_check.rb
@@ -1,7 +1,6 @@
 class Form::Sales::Pages::MortgageValueCheck < ::Form::Page
   def initialize(id, hsh, subsection)
     super
-    @id = "mortgage_value_check"
     @header = ""
     @description = ""
     @subsection = subsection
diff --git a/app/models/form/sales/pages/person1_gender_identity.rb b/app/models/form/sales/pages/person1_gender_identity.rb
index f6431a2aa..7cc62f4d3 100644
--- a/app/models/form/sales/pages/person1_gender_identity.rb
+++ b/app/models/form/sales/pages/person1_gender_identity.rb
@@ -12,7 +12,7 @@ class Form::Sales::Pages::Person1GenderIdentity < ::Form::Page
 
   def questions
     @questions ||= [
-      Form::Sales::Questions::Person1GenderIdentity.new("sex2", { check_answers_card_number: 2 }, self),
+      Form::Sales::Questions::Person1GenderIdentity.new("sex2", nil, self),
     ]
   end
 end
diff --git a/app/models/form/sales/pages/person1_gender_identity_joint_purchase.rb b/app/models/form/sales/pages/person1_gender_identity_joint_purchase.rb
index c1e083135..2ef9e249a 100644
--- a/app/models/form/sales/pages/person1_gender_identity_joint_purchase.rb
+++ b/app/models/form/sales/pages/person1_gender_identity_joint_purchase.rb
@@ -12,7 +12,7 @@ class Form::Sales::Pages::Person1GenderIdentityJointPurchase < ::Form::Page
 
   def questions
     @questions ||= [
-      Form::Sales::Questions::Person1GenderIdentity.new("sex3", { check_answers_card_number: 3 }, self),
+      Form::Sales::Questions::Person1GenderIdentity.new("sex3", nil, self),
     ]
   end
 end
diff --git a/app/models/form/sales/questions/person1_gender_identity.rb b/app/models/form/sales/questions/person1_gender_identity.rb
index 38abf94f6..f525308f5 100644
--- a/app/models/form/sales/questions/person1_gender_identity.rb
+++ b/app/models/form/sales/questions/person1_gender_identity.rb
@@ -6,7 +6,7 @@ class Form::Sales::Questions::Person1GenderIdentity < ::Form::Question
     @type = "radio"
     @page = page
     @answer_options = ANSWER_OPTIONS
-    @check_answers_card_number = hsh[:check_answers_card_number]
+    @check_answers_card_number = id == "sex2" ? 2 : 3
   end
 
   ANSWER_OPTIONS = {
diff --git a/app/models/form/sales/subsections/household_characteristics.rb b/app/models/form/sales/subsections/household_characteristics.rb
index a82b52495..1c928c88e 100644
--- a/app/models/form/sales/subsections/household_characteristics.rb
+++ b/app/models/form/sales/subsections/household_characteristics.rb
@@ -21,6 +21,7 @@ class Form::Sales::Subsections::HouseholdCharacteristics < ::Form::Subsection
       Form::Sales::Pages::Buyer1EthnicBackgroundWhite.new(nil, nil, self),
       Form::Sales::Pages::Nationality1.new(nil, nil, self),
       Form::Sales::Pages::Buyer1WorkingSituation.new(nil, nil, self),
+      Form::Sales::Pages::Buyer1IncomeValueCheck.new("working_situation_buyer_1_income_value_check", nil, self),
       Form::Sales::Pages::Buyer1LiveInProperty.new(nil, nil, self),
       Form::Sales::Pages::Buyer2RelationshipToBuyer1.new(nil, nil, self),
       Form::Sales::Pages::Age2.new(nil, nil, self),
diff --git a/app/models/form/sales/subsections/income_benefits_and_savings.rb b/app/models/form/sales/subsections/income_benefits_and_savings.rb
index 447aba589..a9bc1a7c9 100644
--- a/app/models/form/sales/subsections/income_benefits_and_savings.rb
+++ b/app/models/form/sales/subsections/income_benefits_and_savings.rb
@@ -10,10 +10,12 @@ class Form::Sales::Subsections::IncomeBenefitsAndSavings < ::Form::Subsection
   def pages
     @pages ||= [
       Form::Sales::Pages::Buyer1Income.new(nil, nil, self),
-      Form::Sales::Pages::Buyer1IncomeValueCheck.new(nil, nil, self),
+      Form::Sales::Pages::Buyer1IncomeValueCheck.new("buyer_1_income_value_check", nil, self),
+      Form::Sales::Pages::MortgageValueCheck.new("buyer_1_income_mortgage_value_check", nil, self),
       Form::Sales::Pages::Buyer1Mortgage.new(nil, nil, self),
+      Form::Sales::Pages::MortgageValueCheck.new("buyer_1_mortgage_value_check", nil, self),
       Form::Sales::Pages::Buyer2Income.new(nil, nil, self),
-      Form::Sales::Pages::MortgageValueCheck.new(nil, nil, self),
+      Form::Sales::Pages::MortgageValueCheck.new("buyer_2_income_mortgage_value_check", nil, self),
       Form::Sales::Pages::Savings.new(nil, nil, self),
       Form::Sales::Pages::PreviousOwnership.new(nil, nil, self),
     ]
diff --git a/app/models/lettings_log.rb b/app/models/lettings_log.rb
index 46d8b0759..14d0ead2c 100644
--- a/app/models/lettings_log.rb
+++ b/app/models/lettings_log.rb
@@ -570,7 +570,6 @@ private
     super
 
     reset_invalid_unresolved_log_fields!
-    reset_created_by
     reset_scheme
     reset_derived_questions
   end
diff --git a/app/models/log.rb b/app/models/log.rb
index e3a85e9ee..c09cdd46a 100644
--- a/app/models/log.rb
+++ b/app/models/log.rb
@@ -4,6 +4,7 @@ class Log < ApplicationRecord
   belongs_to :owning_organisation, class_name: "Organisation", optional: true
   belongs_to :managing_organisation, class_name: "Organisation", optional: true
   belongs_to :created_by, class_name: "User", optional: true
+  belongs_to :updated_by, class_name: "User", optional: true
   before_save :update_status!
 
   STATUS = { "not_started" => 0, "in_progress" => 1, "completed" => 2 }.freeze
@@ -72,15 +73,19 @@ private
     subsection_statuses.all? { |status| not_started_statuses.include?(status) }
   end
 
-  def reset_created_by
-    return unless created_by && owning_organisation
-
-    self.created_by = nil if created_by.organisation != owning_organisation
-  end
-
   def reset_invalidated_dependent_fields!
     return unless form
 
     form.reset_not_routed_questions(self)
+
+    reset_created_by!
+  end
+
+  def reset_created_by!
+    return unless updated_by&.support?
+    return if owning_organisation.blank? || managing_organisation.blank? || created_by.blank?
+    return if created_by&.organisation == managing_organisation || created_by&.organisation == owning_organisation
+
+    update!(created_by: nil)
   end
 end
diff --git a/app/models/validations/setup_validations.rb b/app/models/validations/setup_validations.rb
index c1bdc3a71..93105f9ea 100644
--- a/app/models/validations/setup_validations.rb
+++ b/app/models/validations/setup_validations.rb
@@ -16,6 +16,15 @@ module Validations::SetupValidations
     scheme_during_startdate_validation(record, :scheme_id)
   end
 
+  def validate_organisation(record)
+    created_by, managing_organisation, owning_organisation = record.values_at("created_by", "managing_organisation", "owning_organisation")
+    unless [created_by, managing_organisation, owning_organisation].any?(&:blank?) || created_by.organisation == managing_organisation || created_by.organisation == owning_organisation
+      record.errors.add :created_by, I18n.t("validations.setup.created_by.invalid")
+      record.errors.add :owning_organisation_id, I18n.t("validations.setup.owning_organisation.invalid")
+      record.errors.add :managing_organisation_id, I18n.t("validations.setup.managing_organisation.invalid")
+    end
+  end
+
 private
 
   def intermediate_product_rent_type?(record)
diff --git a/app/services/csv/lettings_log_csv_service.rb b/app/services/csv/lettings_log_csv_service.rb
index 67078fb03..d084bfaa1 100644
--- a/app/services/csv/lettings_log_csv_service.rb
+++ b/app/services/csv/lettings_log_csv_service.rb
@@ -1,6 +1,6 @@
 module Csv
   class LettingsLogCsvService
-    CSV_FIELDS_TO_OMIT = %w[hhmemb net_income_value_check first_time_property_let_as_social_housing renttype needstype postcode_known is_la_inferred totchild totelder totadult net_income_known is_carehome previous_la_known is_previous_la_inferred age1_known age2_known age3_known age4_known age5_known age6_known age7_known age8_known letting_allocation_unknown details_known_2 details_known_3 details_known_4 details_known_5 details_known_6 details_known_7 details_known_8 rent_type_detail wrent wscharge wpschrge wsupchrg wtcharge wtshortfall rent_value_check old_form_id old_id retirement_value_check tshortfall_known pregnancy_value_check hhtype new_old vacdays la prevloc unresolved].freeze
+    CSV_FIELDS_TO_OMIT = %w[hhmemb net_income_value_check first_time_property_let_as_social_housing renttype needstype postcode_known is_la_inferred totchild totelder totadult net_income_known is_carehome previous_la_known is_previous_la_inferred age1_known age2_known age3_known age4_known age5_known age6_known age7_known age8_known letting_allocation_unknown details_known_2 details_known_3 details_known_4 details_known_5 details_known_6 details_known_7 details_known_8 rent_type_detail wrent wscharge wpschrge wsupchrg wtcharge wtshortfall rent_value_check old_form_id old_id retirement_value_check tshortfall_known pregnancy_value_check hhtype new_old vacdays la prevloc unresolved updated_by_id].freeze
 
     def initialize(user)
       @user = user
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 6215ef93c..ba9ffac32 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -157,6 +157,12 @@ en:
           deactivated: "%{name} was deactivated on %{date} and was not available on the day you entered"
           reactivating_soon: "The scheme %{name} is not available until %{date}. Select another scheme or edit the tenancy start date"
           activating_soon: "%{name} is not available until %{date}. Enter a tenancy start date after %{date}"
+      owning_organisation:
+        invalid: "Please select owning organisation or managing organisation that you belong to"
+      managing_organisation:
+        invalid: "Please select owning organisation or managing organisation that you belong to"
+      created_by:
+        invalid: "Please select owning organisation or managing organisation that you belong to"
 
     property:
       mrcdate:
diff --git a/db/migrate/20221207141947_add_updated_by_to_logs.rb b/db/migrate/20221207141947_add_updated_by_to_logs.rb
new file mode 100644
index 000000000..9bc80c526
--- /dev/null
+++ b/db/migrate/20221207141947_add_updated_by_to_logs.rb
@@ -0,0 +1,10 @@
+class AddUpdatedByToLogs < ActiveRecord::Migration[7.0]
+  def change
+    change_table :lettings_logs, bulk: true do |t|
+      t.belongs_to :updated_by, class_name: "User"
+    end
+    change_table :sales_logs, bulk: true do |t|
+      t.belongs_to :updated_by, class_name: "User"
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 04bc40b05..7eaee9ecb 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -250,12 +250,14 @@ ActiveRecord::Schema[7.0].define(version: 2022_12_13_130736) do
     t.integer "housingneeds_type"
     t.integer "housingneeds_other"
     t.boolean "unresolved"
+    t.bigint "updated_by_id"
     t.index ["created_by_id"], name: "index_lettings_logs_on_created_by_id"
     t.index ["location_id"], name: "index_lettings_logs_on_location_id"
     t.index ["managing_organisation_id"], name: "index_lettings_logs_on_managing_organisation_id"
     t.index ["old_id"], name: "index_lettings_logs_on_old_id", unique: true
     t.index ["owning_organisation_id"], name: "index_lettings_logs_on_owning_organisation_id"
     t.index ["scheme_id"], name: "index_lettings_logs_on_scheme_id"
+    t.index ["updated_by_id"], name: "index_lettings_logs_on_updated_by_id"
   end
 
   create_table "location_deactivation_periods", force: :cascade do |t|
@@ -403,6 +405,7 @@ ActiveRecord::Schema[7.0].define(version: 2022_12_13_130736) do
     t.integer "savingsnk"
     t.integer "savings"
     t.string "sex3"
+    t.bigint "updated_by_id"
     t.integer "details_known_1"
     t.string "relat3"
     t.integer "income1_value_check"
@@ -412,6 +415,7 @@ ActiveRecord::Schema[7.0].define(version: 2022_12_13_130736) do
     t.index ["created_by_id"], name: "index_sales_logs_on_created_by_id"
     t.index ["managing_organisation_id"], name: "index_sales_logs_on_managing_organisation_id"
     t.index ["owning_organisation_id"], name: "index_sales_logs_on_owning_organisation_id"
+    t.index ["updated_by_id"], name: "index_sales_logs_on_updated_by_id"
   end
 
   create_table "scheme_deactivation_periods", force: :cascade do |t|
diff --git a/spec/features/form/check_answers_page_spec.rb b/spec/features/form/check_answers_page_spec.rb
index 4ea6a905f..7834e0dad 100644
--- a/spec/features/form/check_answers_page_spec.rb
+++ b/spec/features/form/check_answers_page_spec.rb
@@ -13,8 +13,7 @@ RSpec.describe "Form Check Answers Page" do
     FactoryBot.create(
       :lettings_log,
       :in_progress,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
       needstype: 2,
       scheme:,
       location:,
@@ -26,8 +25,7 @@ RSpec.describe "Form Check Answers Page" do
       previous_la_known: 1,
       prevloc: "E09000033",
       is_previous_la_inferred: false,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
     )
   end
   let(:completed_lettings_log) do
@@ -36,6 +34,7 @@ RSpec.describe "Form Check Answers Page" do
       :completed,
       owning_organisation: user.organisation,
       managing_organisation: user.organisation,
+      created_by: user,
       startdate: Time.zone.local(2021, 5, 1),
     )
   end
@@ -190,8 +189,7 @@ RSpec.describe "Form Check Answers Page" do
         FactoryBot.create(
           :lettings_log,
           :in_progress,
-          owning_organisation: user.organisation,
-          managing_organisation: user.organisation,
+          created_by: user,
           tenancycode: "123",
           age1: 35,
           sex1: "M",
@@ -203,8 +201,7 @@ RSpec.describe "Form Check Answers Page" do
         FactoryBot.create(
           :lettings_log,
           :in_progress,
-          owning_organisation: user.organisation,
-          managing_organisation: user.organisation,
+          created_by: user,
           tenancycode: "123",
           age1: 35,
           sex1: "M",
@@ -218,8 +215,7 @@ RSpec.describe "Form Check Answers Page" do
         FactoryBot.create(
           :lettings_log,
           :in_progress,
-          owning_organisation: user.organisation,
-          managing_organisation: user.organisation,
+          created_by: user,
           tenancycode: "123",
           age1: 35,
           sex1: "M",
@@ -236,8 +232,6 @@ RSpec.describe "Form Check Answers Page" do
         FactoryBot.create(
           :lettings_log,
           :in_progress,
-          owning_organisation: user.organisation,
-          managing_organisation: user.organisation,
           created_by: user,
           needstype: 1,
           tenancycode: nil,
diff --git a/spec/features/form/checkboxes_spec.rb b/spec/features/form/checkboxes_spec.rb
index d3e3671eb..8f3f4ad65 100644
--- a/spec/features/form/checkboxes_spec.rb
+++ b/spec/features/form/checkboxes_spec.rb
@@ -9,8 +9,7 @@ RSpec.describe "Checkboxes" do
     FactoryBot.create(
       :lettings_log,
       :in_progress,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
     )
   end
   let(:id) { lettings_log.id }
diff --git a/spec/features/form/conditional_questions_spec.rb b/spec/features/form/conditional_questions_spec.rb
index 07a660321..4fc9387da 100644
--- a/spec/features/form/conditional_questions_spec.rb
+++ b/spec/features/form/conditional_questions_spec.rb
@@ -8,16 +8,14 @@ RSpec.describe "Form Conditional Questions" do
     FactoryBot.create(
       :lettings_log,
       :in_progress,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
     )
   end
   let(:sales_log) do
     FactoryBot.create(
       :sales_log,
       :completed,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
     )
   end
   let(:id) { lettings_log.id }
diff --git a/spec/features/form/page_routing_spec.rb b/spec/features/form/page_routing_spec.rb
index b60c2dd03..eb4f6acc2 100644
--- a/spec/features/form/page_routing_spec.rb
+++ b/spec/features/form/page_routing_spec.rb
@@ -8,8 +8,7 @@ RSpec.describe "Form Page Routing" do
     FactoryBot.create(
       :lettings_log,
       :in_progress,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
     )
   end
   let(:id) { lettings_log.id }
@@ -120,6 +119,7 @@ RSpec.describe "Form Page Routing" do
           :lettings_log,
           owning_organisation: user.organisation,
           managing_organisation: user.organisation,
+          created_by: user,
           needstype: 2,
         )
       end
diff --git a/spec/features/form/progressive_total_field_spec.rb b/spec/features/form/progressive_total_field_spec.rb
index 77edfbedd..e5959d16d 100644
--- a/spec/features/form/progressive_total_field_spec.rb
+++ b/spec/features/form/progressive_total_field_spec.rb
@@ -8,8 +8,7 @@ RSpec.describe "Accessible Automcomplete" do
     FactoryBot.create(
       :lettings_log,
       :in_progress,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
     )
   end
 
diff --git a/spec/features/form/saving_data_spec.rb b/spec/features/form/saving_data_spec.rb
index a0889e9a4..7a7996457 100644
--- a/spec/features/form/saving_data_spec.rb
+++ b/spec/features/form/saving_data_spec.rb
@@ -8,8 +8,7 @@ RSpec.describe "Form Saving Data" do
     FactoryBot.create(
       :lettings_log,
       :in_progress,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
     )
   end
   let(:id) { lettings_log.id }
@@ -17,8 +16,7 @@ RSpec.describe "Form Saving Data" do
     FactoryBot.create(
       :lettings_log, :in_progress,
       housingneeds_a: 1,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation
+      created_by: user
     )
   end
   let(:question_answers) do
diff --git a/spec/features/form/validations_spec.rb b/spec/features/form/validations_spec.rb
index 9df179937..24b2816ce 100644
--- a/spec/features/form/validations_spec.rb
+++ b/spec/features/form/validations_spec.rb
@@ -8,24 +8,21 @@ RSpec.describe "validations" do
     FactoryBot.create(
       :lettings_log,
       :in_progress,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
       renewal: 0,
     )
   end
   let(:empty_lettings_log) do
     FactoryBot.create(
       :lettings_log,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
     )
   end
   let(:completed_without_declaration) do
     FactoryBot.create(
       :lettings_log,
       :completed,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
       status: 1,
       declaration: nil,
       startdate: Time.zone.local(2021, 5, 1),
@@ -124,8 +121,7 @@ RSpec.describe "validations" do
           :lettings_log,
           :in_progress,
           ecstat1: 1,
-          owning_organisation: user.organisation,
-          managing_organisation: user.organisation,
+          created_by: user,
         )
       end
       let(:income_over_soft_limit) { 750 }
diff --git a/spec/features/lettings_log_spec.rb b/spec/features/lettings_log_spec.rb
index 066126ac7..6d09b205a 100644
--- a/spec/features/lettings_log_spec.rb
+++ b/spec/features/lettings_log_spec.rb
@@ -89,7 +89,7 @@ RSpec.describe "Lettings Log Features" do
         log_id = page.current_path.scan(/\d/).join
         visit("lettings-logs/#{log_id}/setup/check-answers")
         expect(page).to have_content("Housing provider #{support_user.organisation.name}")
-        expect(page).to have_content("You have answered 3 of 9 questions")
+        expect(page).to have_content("You have answered 2 of 8 questions")
       end
     end
   end
diff --git a/spec/features/organisation_spec.rb b/spec/features/organisation_spec.rb
index 09d6130e4..9d2478d9f 100644
--- a/spec/features/organisation_spec.rb
+++ b/spec/features/organisation_spec.rb
@@ -136,8 +136,8 @@ RSpec.describe "User Features" do
 
     context "when viewing lettings logs for specific organisation" do
       let(:first_log) { organisation.lettings_logs.first }
-      let!(:log_to_search) { FactoryBot.create(:lettings_log, owning_organisation: user.organisation, managing_organisation_id: organisation.id) }
-      let!(:other_logs) { FactoryBot.create_list(:lettings_log, 4, owning_organisation_id: organisation.id, managing_organisation_id: organisation.id) }
+      let!(:log_to_search) { FactoryBot.create(:lettings_log, created_by: user) }
+      let!(:other_logs) { FactoryBot.create_list(:lettings_log, 4, created_by: user) }
       let(:number_of_lettings_logs) { LettingsLog.count }
 
       before do
diff --git a/spec/fixtures/files/lettings_logs_download.csv b/spec/fixtures/files/lettings_logs_download.csv
index 26ee815d1..7600f0aad 100644
--- a/spec/fixtures/files/lettings_logs_download.csv
+++ b/spec/fixtures/files/lettings_logs_download.csv
@@ -1,2 +1,2 @@
-id,status,created_at,updated_at,created_by_name,is_dpo,owning_organisation_name,managing_organisation_name,collection_start_year,needstype,renewal,startdate,rent_type_detail,irproduct_other,tenancycode,propcode,age1,sex1,ecstat1,hhmemb,relat2,age2,sex2,retirement_value_check,ecstat2,armedforces,leftreg,illness,housingneeds_a,housingneeds_b,housingneeds_c,housingneeds_h,is_previous_la_inferred,prevloc_label,prevloc,illness_type_1,illness_type_2,is_la_inferred,la_label,la,postcode_known,postcode_full,previous_la_known,wchair,preg_occ,cbl,earnings,incfreq,net_income_value_check,benefits,hb,period,brent,scharge,pscharge,supcharg,tcharge,offered,layear,ppostcode_full,mrcdate,declaration,ethnic,national,prevten,age3,sex3,ecstat3,age4,sex4,ecstat4,age5,sex5,ecstat5,age6,sex6,ecstat6,age7,sex7,ecstat7,age8,sex8,ecstat8,homeless,underoccupation_benefitcap,reservist,startertenancy,tenancylength,tenancy,rsnvac,unittype_gn,beds,waityear,reasonpref,chr,cap,reasonother,housingneeds_f,housingneeds_g,illness_type_3,illness_type_4,illness_type_8,illness_type_5,illness_type_6,illness_type_7,illness_type_9,illness_type_10,rp_homeless,rp_insan_unsat,rp_medwel,rp_hardship,rp_dontknow,tenancyother,property_owner_organisation,property_manager_organisation,purchaser_code,reason,majorrepairs,hbrentshortfall,property_relet,incref,first_time_property_let_as_social_housing,unitletas,builtype,voiddate,renttype,lettype,totchild,totelder,totadult,net_income_known,nocharge,is_carehome,household_charge,referral,tshortfall,chcharge,ppcodenk,age1_known,age2_known,age3_known,age4_known,age5_known,age6_known,age7_known,age8_known,ethnic_group,letting_allocation_unknown,details_known_2,details_known_3,details_known_4,details_known_5,details_known_6,details_known_7,details_known_8,has_benefits,wrent,wscharge,wpschrge,wsupchrg,wtcharge,wtshortfall,refused,housingneeds,wchchrg,newprop,relat3,relat4,relat5,relat6,relat7,relat8,rent_value_check,old_form_id,lar,irproduct,old_id,joint,illness_type_0,tshortfall_known,sheltered,pregnancy_value_check,hhtype,new_old,vacdays,major_repairs_date_value_check,void_date_value_check,housingneeds_type,housingneeds_other,unresolved,unittype_sh,scheme_code,scheme_service_name,scheme_sensitive,scheme_type,scheme_registered_under_care_act,scheme_owning_organisation_name,scheme_managing_organisation_name,scheme_primary_client_group,scheme_has_other_client_group,scheme_secondary_client_group,scheme_support_type,scheme_intended_stay,scheme_created_at,location_code,location_postcode,location_name,location_units,location_type_of_unit,location_mobility_type,location_admin_district,location_startdate
-{id},in_progress,2022-02-08 16:52:15 +0000,2022-02-08 16:52:15 +0000,Danny Rojas,No,DLUHC,DLUHC,2021,Supported housing,,2 October 2021,London Affordable Rent,,,,,,,,,,,,,,,,,,,,No,,,,,No,Westminster,E09000033,,SE1 1TE,,2,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,2,8,0,0,0,,0,,,,,,,,,,,,,,,,,,,,,,,,0,,,,,,,0,,,,,,,,,,,,,,,,,,,,9,1,,,,,,,6,{scheme_code},{scheme_service_name},{scheme_sensitive},Missing,No,DLUHC,DLUHC,{scheme_primary_client_group},,{scheme_secondary_client_group},{scheme_support_type},{scheme_intended_stay},2021-04-01 00:00:00 +0100,{location_code},SE1 1TE,Downing Street,20,Bungalow,Fitted with equipment and adaptations,Westminster,{location_startdate}
+id,status,created_at,updated_at,created_by_name,is_dpo,owning_organisation_name,managing_organisation_name,collection_start_year,needstype,renewal,startdate,rent_type_detail,irproduct_other,tenancycode,propcode,age1,sex1,ecstat1,hhmemb,relat2,age2,sex2,retirement_value_check,ecstat2,armedforces,leftreg,illness,housingneeds_a,housingneeds_b,housingneeds_c,housingneeds_h,is_previous_la_inferred,prevloc_label,prevloc,illness_type_1,illness_type_2,is_la_inferred,la_label,la,postcode_known,postcode_full,previous_la_known,wchair,preg_occ,cbl,earnings,incfreq,net_income_value_check,benefits,hb,period,brent,scharge,pscharge,supcharg,tcharge,offered,layear,ppostcode_full,mrcdate,declaration,ethnic,national,prevten,age3,sex3,ecstat3,age4,sex4,ecstat4,age5,sex5,ecstat5,age6,sex6,ecstat6,age7,sex7,ecstat7,age8,sex8,ecstat8,homeless,underoccupation_benefitcap,reservist,startertenancy,tenancylength,tenancy,rsnvac,unittype_gn,beds,waityear,reasonpref,chr,cap,reasonother,housingneeds_f,housingneeds_g,illness_type_3,illness_type_4,illness_type_8,illness_type_5,illness_type_6,illness_type_7,illness_type_9,illness_type_10,rp_homeless,rp_insan_unsat,rp_medwel,rp_hardship,rp_dontknow,tenancyother,property_owner_organisation,property_manager_organisation,purchaser_code,reason,majorrepairs,hbrentshortfall,property_relet,incref,first_time_property_let_as_social_housing,unitletas,builtype,voiddate,renttype,lettype,totchild,totelder,totadult,net_income_known,nocharge,is_carehome,household_charge,referral,tshortfall,chcharge,ppcodenk,age1_known,age2_known,age3_known,age4_known,age5_known,age6_known,age7_known,age8_known,ethnic_group,letting_allocation_unknown,details_known_2,details_known_3,details_known_4,details_known_5,details_known_6,details_known_7,details_known_8,has_benefits,wrent,wscharge,wpschrge,wsupchrg,wtcharge,wtshortfall,refused,housingneeds,wchchrg,newprop,relat3,relat4,relat5,relat6,relat7,relat8,rent_value_check,old_form_id,lar,irproduct,old_id,joint,illness_type_0,tshortfall_known,sheltered,pregnancy_value_check,hhtype,new_old,vacdays,major_repairs_date_value_check,void_date_value_check,housingneeds_type,housingneeds_other,unresolved,updated_by_id,unittype_sh,scheme_code,scheme_service_name,scheme_sensitive,scheme_type,scheme_registered_under_care_act,scheme_owning_organisation_name,scheme_managing_organisation_name,scheme_primary_client_group,scheme_has_other_client_group,scheme_secondary_client_group,scheme_support_type,scheme_intended_stay,scheme_created_at,location_code,location_postcode,location_name,location_units,location_type_of_unit,location_mobility_type,location_admin_district,location_startdate
+{id},in_progress,2022-02-08 16:52:15 +0000,2022-02-08 16:52:15 +0000,Danny Rojas,No,DLUHC,DLUHC,2021,Supported housing,,2 October 2021,London Affordable Rent,,,,,,,,,,,,,,,,,,,,No,,,,,No,Westminster,E09000033,,SE1 1TE,,2,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,2,8,0,0,0,,0,,,,,,,,,,,,,,,,,,,,,,,,0,,,,,,,0,,,,,,,,,,,,,,,,,,,,9,1,,,,,,,,6,{scheme_code},{scheme_service_name},{scheme_sensitive},Missing,No,DLUHC,DLUHC,{scheme_primary_client_group},,{scheme_secondary_client_group},{scheme_support_type},{scheme_intended_stay},2021-04-01 00:00:00 +0100,{location_code},SE1 1TE,Downing Street,20,Bungalow,Fitted with equipment and adaptations,Westminster,{location_startdate}
diff --git a/spec/helpers/interruption_screen_helper_spec.rb b/spec/helpers/interruption_screen_helper_spec.rb
index 4984a0450..8153b9d7b 100644
--- a/spec/helpers/interruption_screen_helper_spec.rb
+++ b/spec/helpers/interruption_screen_helper_spec.rb
@@ -12,8 +12,7 @@ RSpec.describe InterruptionScreenHelper do
       ecstat1: 1,
       earnings: 750,
       incfreq: 1,
-      owning_organisation: user.organisation,
-      managing_organisation: user.organisation,
+      created_by: user,
     )
   end
 
diff --git a/spec/jobs/email_csv_job_spec.rb b/spec/jobs/email_csv_job_spec.rb
index f4939b855..5ff0b3355 100644
--- a/spec/jobs/email_csv_job_spec.rb
+++ b/spec/jobs/email_csv_job_spec.rb
@@ -19,8 +19,7 @@ describe EmailCsvJob do
     let!(:lettings_log) do
       FactoryBot.create(
         :lettings_log,
-        owning_organisation: organisation,
-        managing_organisation: organisation,
+        created_by: user,
         ecstat1: 1,
       )
     end
@@ -31,8 +30,6 @@ describe EmailCsvJob do
     before do
       FactoryBot.create(:lettings_log,
                         :completed,
-                        owning_organisation: organisation,
-                        managing_organisation: organisation,
                         created_by: user,
                         startdate: Time.zone.local(2021, 5, 1))
 
diff --git a/spec/models/form/lettings/questions/created_by_id_spec.rb b/spec/models/form/lettings/questions/created_by_id_spec.rb
index 84ee4156a..b1ee1de49 100644
--- a/spec/models/form/lettings/questions/created_by_id_spec.rb
+++ b/spec/models/form/lettings/questions/created_by_id_spec.rb
@@ -71,6 +71,7 @@ RSpec.describe Form::Lettings::Questions::CreatedById, type: :model do
     let(:lettings_log) do
       create(
         :lettings_log,
+        created_by: user_2,
         owning_organisation: user_2.organisation,
         managing_organisation: user_3.organisation,
       )
diff --git a/spec/models/form/lettings/questions/managing_organisation_spec.rb b/spec/models/form/lettings/questions/managing_organisation_spec.rb
index 17cc621f0..9977f07be 100644
--- a/spec/models/form/lettings/questions/managing_organisation_spec.rb
+++ b/spec/models/form/lettings/questions/managing_organisation_spec.rb
@@ -142,6 +142,10 @@ RSpec.describe Form::Lettings::Questions::ManagingOrganisation, type: :model do
   end
 
   describe "#hidden_in_check_answers?" do
+    before do
+      allow(page).to receive(:routed_to?).and_return(true)
+    end
+
     context "when user present" do
       let(:user) { create(:user) }
 
@@ -151,11 +155,22 @@ RSpec.describe Form::Lettings::Questions::ManagingOrganisation, type: :model do
     end
 
     context "when user not provided" do
-      let(:user) { create(:user, :support) }
-
       it "is not hidden in check answers" do
         expect(question.hidden_in_check_answers?(nil)).to be true
       end
     end
+
+    context "when the page is not routed to" do
+      let(:user) { create(:user, :data_coordinator, organisation: create(:organisation, holds_own_stock: true)) }
+      let(:log) { create(:lettings_log, owning_organisation: user.organisation) }
+
+      before do
+        allow(page).to receive(:routed_to?).and_return(false)
+      end
+
+      it "is hidden in check answers" do
+        expect(question.hidden_in_check_answers?(log, user)).to be true
+      end
+    end
   end
 end
diff --git a/spec/models/form/sales/pages/buyer1_income_value_check_spec.rb b/spec/models/form/sales/pages/buyer1_income_value_check_spec.rb
index 8cc279d67..18281533e 100644
--- a/spec/models/form/sales/pages/buyer1_income_value_check_spec.rb
+++ b/spec/models/form/sales/pages/buyer1_income_value_check_spec.rb
@@ -3,7 +3,7 @@ require "rails_helper"
 RSpec.describe Form::Sales::Pages::Buyer1IncomeValueCheck, type: :model do
   subject(:page) { described_class.new(page_id, page_definition, subsection) }
 
-  let(:page_id) { nil }
+  let(:page_id) { "prefix_buyer_1_income_value_check" }
   let(:page_definition) { nil }
   let(:subsection) { instance_double(Form::Subsection) }
 
@@ -16,7 +16,7 @@ RSpec.describe Form::Sales::Pages::Buyer1IncomeValueCheck, type: :model do
   end
 
   it "has the correct id" do
-    expect(page.id).to eq("buyer_1_income_value_check")
+    expect(page.id).to eq("prefix_buyer_1_income_value_check")
   end
 
   it "has the correct header" do
diff --git a/spec/models/form/sales/pages/mortgage_value_check_spec.rb b/spec/models/form/sales/pages/mortgage_value_check_spec.rb
index 4083df07b..b39daa468 100644
--- a/spec/models/form/sales/pages/mortgage_value_check_spec.rb
+++ b/spec/models/form/sales/pages/mortgage_value_check_spec.rb
@@ -3,7 +3,7 @@ require "rails_helper"
 RSpec.describe Form::Sales::Pages::MortgageValueCheck, type: :model do
   subject(:page) { described_class.new(page_id, page_definition, subsection) }
 
-  let(:page_id) { nil }
+  let(:page_id) { "buyer_1_income_mortgage_value_check" }
   let(:page_definition) { nil }
   let(:subsection) { instance_double(Form::Subsection) }
 
@@ -16,7 +16,7 @@ RSpec.describe Form::Sales::Pages::MortgageValueCheck, type: :model do
   end
 
   it "has the correct id" do
-    expect(page.id).to eq("mortgage_value_check")
+    expect(page.id).to eq("buyer_1_income_mortgage_value_check")
   end
 
   it "has the correct header" do
diff --git a/spec/models/form/sales/questions/person1_gender_identity_joint_purchase_spec.rb b/spec/models/form/sales/questions/person1_gender_identity_joint_purchase_spec.rb
deleted file mode 100644
index d1d97ba3d..000000000
--- a/spec/models/form/sales/questions/person1_gender_identity_joint_purchase_spec.rb
+++ /dev/null
@@ -1,46 +0,0 @@
-require "rails_helper"
-
-RSpec.describe Form::Sales::Questions::Person1GenderIdentityJointPurchase, type: :model do
-  subject(:question) { described_class.new(question_id, question_definition, page) }
-
-  let(:question_id) { nil }
-  let(:question_definition) { nil }
-  let(:page) { instance_double(Form::Page) }
-
-  it "has correct page" do
-    expect(question.page).to eq(page)
-  end
-
-  it "has the correct id" do
-    expect(question.id).to eq("sex3")
-  end
-
-  it "has the correct header" do
-    expect(question.header).to eq("Which of these best describes Person 1’s gender identity?")
-  end
-
-  it "has the correct check_answer_label" do
-    expect(question.check_answer_label).to eq("Person 1’s gender identity")
-  end
-
-  it "has the correct type" do
-    expect(question.type).to eq("radio")
-  end
-
-  it "is not marked as derived" do
-    expect(question.derived?).to be false
-  end
-
-  it "has expected check answers card number" do
-    expect(question.check_answers_card_number).to eq(3)
-  end
-
-  it "has the correct answer_options" do
-    expect(question.answer_options).to eq({
-      "F" => { "value" => "Female" },
-      "M" => { "value" => "Male" },
-      "X" => { "value" => "Non-binary" },
-      "R" => { "value" => "Buyer prefers not to say" },
-    })
-  end
-end
diff --git a/spec/models/form/sales/questions/person1_gender_identity_spec.rb b/spec/models/form/sales/questions/person1_gender_identity_spec.rb
index 47370ce53..b89ca5560 100644
--- a/spec/models/form/sales/questions/person1_gender_identity_spec.rb
+++ b/spec/models/form/sales/questions/person1_gender_identity_spec.rb
@@ -3,7 +3,7 @@ require "rails_helper"
 RSpec.describe Form::Sales::Questions::Person1GenderIdentity, type: :model do
   subject(:question) { described_class.new(question_id, question_definition, page) }
 
-  let(:question_id) { nil }
+  let(:question_id) { "sex2" }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
 
diff --git a/spec/models/form/sales/subsections/household_characteristics_spec.rb b/spec/models/form/sales/subsections/household_characteristics_spec.rb
index 9fbf2fbfb..1fbe02a1d 100644
--- a/spec/models/form/sales/subsections/household_characteristics_spec.rb
+++ b/spec/models/form/sales/subsections/household_characteristics_spec.rb
@@ -26,6 +26,7 @@ RSpec.describe Form::Sales::Subsections::HouseholdCharacteristics, type: :model
         buyer_1_ethnic_background_white
         buyer_1_nationality
         buyer_1_working_situation
+        working_situation_buyer_1_income_value_check
         buyer_1_live_in_property
         buyer_2_relationship_to_buyer_1
         buyer_2_age
diff --git a/spec/models/form/sales/subsections/income_benefits_and_savings_spec.rb b/spec/models/form/sales/subsections/income_benefits_and_savings_spec.rb
index 86af4c67a..c7e2c7606 100644
--- a/spec/models/form/sales/subsections/income_benefits_and_savings_spec.rb
+++ b/spec/models/form/sales/subsections/income_benefits_and_savings_spec.rb
@@ -16,9 +16,11 @@ RSpec.describe Form::Sales::Subsections::IncomeBenefitsAndSavings, type: :model
       %w[
         buyer_1_income
         buyer_1_income_value_check
+        buyer_1_income_mortgage_value_check
         buyer_1_mortgage
+        buyer_1_mortgage_value_check
         buyer_2_income
-        mortgage_value_check
+        buyer_2_income_mortgage_value_check
         savings
         previous_ownership
       ],
diff --git a/spec/models/form_handler_spec.rb b/spec/models/form_handler_spec.rb
index 0f1cdc5da..7656fe7fb 100644
--- a/spec/models/form_handler_spec.rb
+++ b/spec/models/form_handler_spec.rb
@@ -52,14 +52,14 @@ RSpec.describe FormHandler do
     it "is able to load a current sales form" do
       form = form_handler.get_form("current_sales")
       expect(form).to be_a(Form)
-      expect(form.pages.count).to eq(53)
+      expect(form.pages.count).to eq(56)
       expect(form.name).to eq("2022_2023_sales")
     end
 
     it "is able to load a previous sales form" do
       form = form_handler.get_form("previous_sales")
       expect(form).to be_a(Form)
-      expect(form.pages.count).to eq(53)
+      expect(form.pages.count).to eq(56)
       expect(form.name).to eq("2021_2022_sales")
     end
   end
diff --git a/spec/models/lettings_log_spec.rb b/spec/models/lettings_log_spec.rb
index a4704a12c..67db22f46 100644
--- a/spec/models/lettings_log_spec.rb
+++ b/spec/models/lettings_log_spec.rb
@@ -2,9 +2,9 @@ require "rails_helper"
 require "shared/shared_examples_for_derived_fields"
 
 RSpec.describe LettingsLog do
-  let(:owning_organisation) { FactoryBot.create(:organisation) }
   let(:different_managing_organisation) { FactoryBot.create(:organisation) }
   let(:created_by_user) { FactoryBot.create(:user) }
+  let(:owning_organisation) { created_by_user.organisation }
   let(:fake_2021_2022_form) { Form.new("spec/fixtures/forms/2021_2022.json") }
 
   before do
@@ -2013,11 +2013,6 @@ RSpec.describe LettingsLog do
       let(:lettings_log) { FactoryBot.create(:lettings_log, created_by: created_by_user) }
       let(:organisation_2) { FactoryBot.create(:organisation) }
 
-      it "clears the created by user set" do
-        expect { lettings_log.update!(owning_organisation: organisation_2) }
-          .to change { lettings_log.reload.created_by }.from(created_by_user).to(nil)
-      end
-
       context "when the organisation selected doesn't match the scheme set" do
         let(:scheme) { FactoryBot.create(:scheme, owning_organisation: created_by_user.organisation) }
         let(:location) { FactoryBot.create(:location, scheme:) }
@@ -2377,10 +2372,10 @@ RSpec.describe LettingsLog do
       let(:organisation_3) { FactoryBot.create(:organisation) }
 
       before do
-        FactoryBot.create(:lettings_log, :in_progress, owning_organisation: organisation_1, managing_organisation: organisation_1)
-        FactoryBot.create(:lettings_log, :completed, owning_organisation: organisation_1, managing_organisation: organisation_2)
-        FactoryBot.create(:lettings_log, :completed, owning_organisation: organisation_2, managing_organisation: organisation_1)
-        FactoryBot.create(:lettings_log, :completed, owning_organisation: organisation_2, managing_organisation: organisation_2)
+        FactoryBot.create(:lettings_log, :in_progress, owning_organisation: organisation_1, managing_organisation: organisation_1, created_by: nil)
+        FactoryBot.create(:lettings_log, :completed, owning_organisation: organisation_1, managing_organisation: organisation_2, created_by: nil)
+        FactoryBot.create(:lettings_log, :completed, owning_organisation: organisation_2, managing_organisation: organisation_1, created_by: nil)
+        FactoryBot.create(:lettings_log, :completed, owning_organisation: organisation_2, managing_organisation: organisation_2, created_by: nil)
       end
 
       it "filters by given organisation id" do
diff --git a/spec/models/organisation_spec.rb b/spec/models/organisation_spec.rb
index 1dd61f4b2..c5787f9e0 100644
--- a/spec/models/organisation_spec.rb
+++ b/spec/models/organisation_spec.rb
@@ -151,7 +151,6 @@ RSpec.describe Organisation, type: :model do
         FactoryBot.create(
           :lettings_log,
           :completed,
-          owning_organisation: organisation,
           managing_organisation: other_organisation,
           created_by: user,
         )
@@ -159,8 +158,7 @@ RSpec.describe Organisation, type: :model do
       let!(:managed_lettings_log) do
         FactoryBot.create(
           :lettings_log,
-          owning_organisation: other_organisation,
-          managing_organisation: organisation,
+          created_by: user,
         )
       end
 
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index bd6555348..fd132a8ef 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -8,7 +8,6 @@ RSpec.describe User, type: :model do
       FactoryBot.create(
         :lettings_log,
         :completed,
-        owning_organisation: user.organisation,
         managing_organisation: other_organisation,
         created_by: user,
       )
@@ -16,8 +15,8 @@ RSpec.describe User, type: :model do
     let!(:managed_lettings_log) do
       FactoryBot.create(
         :lettings_log,
+        created_by: user,
         owning_organisation: other_organisation,
-        managing_organisation: user.organisation,
       )
     end
 
diff --git a/spec/models/validations/setup_validations_spec.rb b/spec/models/validations/setup_validations_spec.rb
index df21a4dc4..701e410ad 100644
--- a/spec/models/validations/setup_validations_spec.rb
+++ b/spec/models/validations/setup_validations_spec.rb
@@ -224,4 +224,64 @@ RSpec.describe Validations::SetupValidations do
       end
     end
   end
+
+  describe "#validate_organisation" do
+    let(:user) { FactoryBot.create(:user) }
+    let(:other_organisation) { FactoryBot.create(:organisation) }
+
+    it "validates if neither managing nor owning organisation is the same as created_by user organisation" do
+      record.created_by = user
+      record.owning_organisation = other_organisation
+      record.managing_organisation = other_organisation
+
+      setup_validator.validate_organisation(record)
+      expect(record.errors["created_by"]).to include(I18n.t("validations.setup.created_by.invalid"))
+      expect(record.errors["owning_organisation_id"]).to include(I18n.t("validations.setup.owning_organisation.invalid"))
+      expect(record.errors["managing_organisation_id"]).to include(I18n.t("validations.setup.managing_organisation.invalid"))
+    end
+
+    it "doesn not validate if either managing or owning organisation is the same as current user organisation" do
+      record.created_by = user
+      record.owning_organisation = user.organisation
+      record.managing_organisation = other_organisation
+
+      setup_validator.validate_organisation(record)
+      expect(record.errors["created_by"]).to be_empty
+      expect(record.errors["owning_organisation_id"]).to be_empty
+      expect(record.errors["managing_organisation_id"]).to be_empty
+    end
+
+    it "does not validate if current user is missing" do
+      record.created_by = nil
+      record.owning_organisation = other_organisation
+      record.managing_organisation = other_organisation
+
+      setup_validator.validate_organisation(record)
+      expect(record.errors["created_by"]).to be_empty
+      expect(record.errors["owning_organisation_id"]).to be_empty
+      expect(record.errors["managing_organisation_id"]).to be_empty
+    end
+
+    it "does not validate if managing organisation is missing" do
+      record.created_by = user
+      record.owning_organisation = other_organisation
+      record.managing_organisation = nil
+
+      setup_validator.validate_organisation(record)
+      expect(record.errors["created_by"]).to be_empty
+      expect(record.errors["owning_organisation_id"]).to be_empty
+      expect(record.errors["managing_organisation_id"]).to be_empty
+    end
+
+    it "does not validate if owning organisation is missing" do
+      record.created_by = user
+      record.owning_organisation = nil
+      record.managing_organisation = other_organisation
+
+      setup_validator.validate_organisation(record)
+      expect(record.errors["created_by"]).to be_empty
+      expect(record.errors["owning_organisation_id"]).to be_empty
+      expect(record.errors["managing_organisation_id"]).to be_empty
+    end
+  end
 end
diff --git a/spec/requests/form_controller_spec.rb b/spec/requests/form_controller_spec.rb
index cb5523b8e..eec493ede 100644
--- a/spec/requests/form_controller_spec.rb
+++ b/spec/requests/form_controller_spec.rb
@@ -4,12 +4,12 @@ RSpec.describe FormController, type: :request do
   let(:page) { Capybara::Node::Simple.new(response.body) }
   let(:user) { create(:user) }
   let(:organisation) { user.organisation }
-  let(:other_organisation) { create(:organisation) }
+  let(:other_user) { create(:user) }
+  let(:other_organisation) { other_user.organisation }
   let!(:unauthorized_lettings_log) do
     create(
       :lettings_log,
-      owning_organisation: other_organisation,
-      managing_organisation: other_organisation,
+      created_by: other_user,
     )
   end
   let(:setup_complete_lettings_log) do
@@ -18,16 +18,14 @@ RSpec.describe FormController, type: :request do
       :about_completed,
       status: 1,
       startdate: Time.zone.local(2021, 10, 10),
-      owning_organisation: organisation,
-      managing_organisation: organisation,
+      created_by: user,
     )
   end
   let(:completed_lettings_log) do
     create(
       :lettings_log,
       :completed,
-      owning_organisation: organisation,
-      managing_organisation: organisation,
+      created_by: user,
       startdate: Time.zone.local(2021, 5, 1),
     )
   end
@@ -43,8 +41,7 @@ RSpec.describe FormController, type: :request do
     let!(:lettings_log) do
       create(
         :lettings_log,
-        owning_organisation: organisation,
-        managing_organisation: organisation,
+        created_by: user,
       )
     end
 
@@ -68,12 +65,134 @@ RSpec.describe FormController, type: :request do
     end
   end
 
+  context "when signed in as a support user" do
+    let!(:lettings_log) do
+      create(
+        :lettings_log,
+        created_by: user,
+      )
+    end
+    let(:page) { Capybara::Node::Simple.new(response.body) }
+    let(:managing_organisation) { create(:organisation) }
+    let(:managing_organisation_too) { create(:organisation) }
+    let(:housing_provider) { create(:organisation) }
+    let(:support_user) { create(:user, :support) }
+
+    before do
+      organisation.housing_providers << housing_provider
+      organisation.managing_agents << managing_organisation
+      organisation.managing_agents << managing_organisation_too
+      organisation.reload
+      allow(support_user).to receive(:need_two_factor_authentication?).and_return(false)
+      sign_in support_user
+    end
+
+    context "with invalid organisation answers" do
+      let(:params) do
+        {
+          id: lettings_log.id,
+          lettings_log: {
+            page: "managing_organisation",
+            managing_organisation_id: other_organisation.id,
+          },
+        }
+      end
+
+      before do
+        lettings_log.update!(owning_organisation: housing_provider, created_by: user, managing_organisation: organisation)
+        lettings_log.reload
+      end
+
+      it "resets created by and renders the next page" do
+        post "/lettings-logs/#{lettings_log.id}/form", params: params
+        expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/created-by")
+        follow_redirect!
+        lettings_log.reload
+        expect(lettings_log.created_by).to eq(nil)
+      end
+    end
+
+    context "with valid owning organisation" do
+      let(:params) do
+        {
+          id: lettings_log.id,
+          lettings_log: {
+            page: "managing_organisation",
+            managing_organisation_id: other_organisation.id,
+          },
+        }
+      end
+
+      before do
+        lettings_log.update!(owning_organisation: organisation, created_by: user, managing_organisation: organisation)
+        lettings_log.reload
+      end
+
+      it "does not reset created by" do
+        post "/lettings-logs/#{lettings_log.id}/form", params: params
+        expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/created-by")
+        follow_redirect!
+        lettings_log.reload
+        expect(lettings_log.created_by).to eq(user)
+      end
+    end
+
+    context "with valid managing organisation" do
+      let(:params) do
+        {
+          id: lettings_log.id,
+          lettings_log: {
+            page: "housing_provider",
+            owning_organisation_id: housing_provider.id,
+          },
+        }
+      end
+
+      before do
+        lettings_log.update!(owning_organisation: organisation, created_by: user, managing_organisation: organisation)
+        lettings_log.reload
+      end
+
+      it "does not reset created by" do
+        post "/lettings-logs/#{lettings_log.id}/form", params: params
+        expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/managing-organisation")
+        follow_redirect!
+        lettings_log.reload
+        expect(lettings_log.created_by).to eq(user)
+      end
+    end
+
+    context "with only adding the housing provider" do
+      let(:params) do
+        {
+          id: lettings_log.id,
+          lettings_log: {
+            page: "housing_provider",
+            owning_organisation_id: housing_provider.id,
+          },
+        }
+      end
+
+      before do
+        lettings_log.update!(owning_organisation: nil, created_by: user, managing_organisation: nil)
+        lettings_log.reload
+      end
+
+      it "does not reset created by" do
+        post "/lettings-logs/#{lettings_log.id}/form", params: params
+        expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/managing-organisation")
+        follow_redirect!
+        lettings_log.reload
+        expect(lettings_log.created_by).to eq(user)
+      end
+    end
+  end
+
   context "when a user is signed in" do
     let!(:lettings_log) do
       create(
         :lettings_log,
-        owning_organisation: organisation,
-        managing_organisation: organisation,
+        created_by: user,
       )
     end
 
@@ -156,8 +275,7 @@ RSpec.describe FormController, type: :request do
             create(
               :lettings_log,
               startdate: Time.zone.local(2022, 12, 1),
-              owning_organisation: organisation,
-              managing_organisation: organisation,
+              created_by: user,
             )
           end
           let(:headers) { { "Accept" => "text/html" } }
@@ -220,12 +338,12 @@ RSpec.describe FormController, type: :request do
     describe "Submit Form" do
       context "with a form page" do
         let(:user) { create(:user) }
+        let(:support_user) { FactoryBot.create(:user, :support) }
         let(:organisation) { user.organisation }
         let(:lettings_log) do
           create(
             :lettings_log,
-            owning_organisation: organisation,
-            managing_organisation: organisation,
+            created_by: user,
           )
         end
         let(:page_id) { "person_1_age" }
@@ -298,6 +416,38 @@ RSpec.describe FormController, type: :request do
           end
         end
 
+        context "with invalid organisation answers" do
+          let(:page) { Capybara::Node::Simple.new(response.body) }
+          let(:managing_organisation) { create(:organisation) }
+          let(:managing_organisation_too) { create(:organisation) }
+          let(:housing_provider) { create(:organisation) }
+          let(:params) do
+            {
+              id: lettings_log.id,
+              lettings_log: {
+                page: "managing_organisation",
+                managing_organisation_id: other_organisation.id,
+              },
+            }
+          end
+
+          before do
+            organisation.housing_providers << housing_provider
+            organisation.managing_agents << managing_organisation
+            organisation.managing_agents << managing_organisation_too
+            organisation.reload
+            lettings_log.update!(owning_organisation: housing_provider, created_by: user, managing_organisation: organisation)
+            lettings_log.reload
+          end
+
+          it "re-renders the same page with errors if validation fails" do
+            post "/lettings-logs/#{lettings_log.id}/form", params: params
+            expect(response).to redirect_to("/lettings-logs/#{lettings_log.id}/managing-organisation")
+            follow_redirect!
+            expect(page).to have_content("There is a problem")
+          end
+        end
+
         context "with valid answers" do
           let(:answer) { 20 }
           let(:params) do
@@ -534,12 +684,11 @@ RSpec.describe FormController, type: :request do
 
       context "with lettings logs that are not owned or managed by your organisation" do
         let(:answer) { 25 }
-        let(:other_organisation) { create(:organisation) }
+        let(:other_user) { create(:user) }
         let(:unauthorized_lettings_log) do
           create(
             :lettings_log,
-            owning_organisation: other_organisation,
-            managing_organisation: other_organisation,
+            created_by: other_user,
           )
         end
 
diff --git a/spec/requests/lettings_logs_controller_spec.rb b/spec/requests/lettings_logs_controller_spec.rb
index 0cee5d7b3..862f82fa1 100644
--- a/spec/requests/lettings_logs_controller_spec.rb
+++ b/spec/requests/lettings_logs_controller_spec.rb
@@ -150,20 +150,19 @@ RSpec.describe LettingsLogsController, type: :request do
     let(:page) { Capybara::Node::Simple.new(response.body) }
     let(:user) { FactoryBot.create(:user) }
     let(:organisation) { user.organisation }
-    let(:other_organisation) { FactoryBot.create(:organisation) }
+    let(:other_user) { FactoryBot.create(:user) }
+    let(:other_organisation) { other_user.organisation }
     let!(:lettings_log) do
       FactoryBot.create(
         :lettings_log,
-        owning_organisation: organisation,
-        managing_organisation: organisation,
+        created_by: user,
         tenancycode: "LC783",
       )
     end
     let!(:unauthorized_lettings_log) do
       FactoryBot.create(
         :lettings_log,
-        owning_organisation: other_organisation,
-        managing_organisation: other_organisation,
+        created_by: other_user,
         tenancycode: "UA984",
       )
     end
@@ -266,9 +265,8 @@ RSpec.describe LettingsLogsController, type: :request do
           context "with year filter" do
             let!(:lettings_log_2021) do
               FactoryBot.create(:lettings_log, :in_progress,
-                                owning_organisation: organisation,
-                                startdate: Time.zone.local(2022, 3, 1),
-                                managing_organisation: organisation)
+                                created_by: user,
+                                startdate: Time.zone.local(2022, 3, 1))
             end
             let!(:lettings_log_2022) do
               lettings_log = FactoryBot.build(:lettings_log, :completed,
@@ -567,7 +565,7 @@ RSpec.describe LettingsLogsController, type: :request do
 
         context "when there are more than 20 logs" do
           before do
-            FactoryBot.create_list(:lettings_log, 25, owning_organisation: organisation, managing_organisation: organisation)
+            FactoryBot.create_list(:lettings_log, 25, created_by: user)
           end
 
           context "when on the first page" do
@@ -699,8 +697,7 @@ RSpec.describe LettingsLogsController, type: :request do
               FactoryBot.create(
                 :lettings_log,
                 :conditional_section_complete,
-                owning_organisation: organisation,
-                managing_organisation: organisation,
+                created_by: user,
               )
             end
 
@@ -756,8 +753,7 @@ RSpec.describe LettingsLogsController, type: :request do
     context "when accessing the check answers page" do
       let(:postcode_lettings_log) do
         FactoryBot.create(:lettings_log,
-                          owning_organisation: organisation,
-                          managing_organisation: organisation,
+                          created_by: user,
                           postcode_known: "No")
       end
       let(:id) { postcode_lettings_log.id }
@@ -771,8 +767,7 @@ RSpec.describe LettingsLogsController, type: :request do
 
       it "shows the inferred la" do
         lettings_log = FactoryBot.create(:lettings_log,
-                                         owning_organisation: organisation,
-                                         managing_organisation: organisation,
+                                         created_by: user,
                                          postcode_known: 1,
                                          postcode_full: "PO5 3TE")
         id = lettings_log.id
@@ -1096,8 +1091,7 @@ RSpec.describe LettingsLogsController, type: :request do
       let!(:lettings_log) do
         FactoryBot.create(
           :lettings_log,
-          owning_organisation:,
-          managing_organisation: owning_organisation,
+          created_by: user,
           ecstat1: 1,
         )
       end
diff --git a/spec/requests/organisations_controller_spec.rb b/spec/requests/organisations_controller_spec.rb
index 797b7600e..ab5dcb6af 100644
--- a/spec/requests/organisations_controller_spec.rb
+++ b/spec/requests/organisations_controller_spec.rb
@@ -590,8 +590,8 @@ RSpec.describe OrganisationsController, type: :request do
           let(:number_of_org2_lettings_logs) { 4 }
 
           before do
-            FactoryBot.create_list(:lettings_log, number_of_org1_lettings_logs, owning_organisation_id: organisation.id, managing_organisation_id: organisation.id)
-            FactoryBot.create_list(:lettings_log, number_of_org2_lettings_logs, owning_organisation_id: unauthorised_organisation.id, managing_organisation_id: unauthorised_organisation.id)
+            FactoryBot.create_list(:lettings_log, number_of_org1_lettings_logs, created_by: user)
+            FactoryBot.create_list(:lettings_log, number_of_org2_lettings_logs, created_by: nil, owning_organisation_id: unauthorised_organisation.id, managing_organisation_id: unauthorised_organisation.id)
 
             get "/organisations/#{organisation.id}/lettings-logs", headers:, params: {}
           end
diff --git a/spec/services/csv/lettings_log_csv_service_spec.rb b/spec/services/csv/lettings_log_csv_service_spec.rb
index 9b9c7ff87..e68be40d7 100644
--- a/spec/services/csv/lettings_log_csv_service_spec.rb
+++ b/spec/services/csv/lettings_log_csv_service_spec.rb
@@ -201,6 +201,7 @@ RSpec.describe Csv::LettingsLogCsvService do
                                    new_old
                                    vacdays
                                    unresolved
+                                   updated_by_id
                                    unittype_sh
                                    scheme_code
                                    scheme_service_name