diff --git a/app/controllers/case_logs_controller.rb b/app/controllers/case_logs_controller.rb
index 48fe5726d..41d81ca04 100644
--- a/app/controllers/case_logs_controller.rb
+++ b/app/controllers/case_logs_controller.rb
@@ -56,16 +56,15 @@ class CaseLogsController < ApplicationController
   def submit_form
     form = FormHandler.instance.get_form("2021_2022")
     @case_log = CaseLog.find(params[:id])
-    previous_page = params[:case_log][:previous_page]
-    questions_for_page = form.questions_for_page(previous_page)
-    responses_for_page = question_responses(questions_for_page)
-    @case_log.previous_page = previous_page
-    if @case_log.update(responses_for_page)
-      redirect_path = get_next_page_path(form, previous_page, @case_log)
+    page = params[:case_log][:previous_page]
+    @case_log.previous_page = page
+    responses_for_page = responses_for_page(page)
+    if @case_log.update(responses_for_page) && @case_log.soft_errors.empty?
+      redirect_path = get_next_page_path(form, page, @case_log)
       redirect_to(send(redirect_path, @case_log))
     else
-      page_info = form.all_pages[previous_page]
-      render "form/page", locals: { form: form, page_key: previous_page, page_info: page_info }, status: :unprocessable_entity
+      page_info = form.all_pages[page]
+      render "form/page", locals: { form: form, page_key: page, page_info: page_info }, status: :unprocessable_entity
     end
   end
 
@@ -101,9 +100,16 @@ private
 
   API_ACTIONS = %w[create show update destroy].freeze
 
-  def question_responses(questions_for_page)
+  def responses_for_page(page)
+    form = FormHandler.instance.get_form("2021_2022")
+    initial_questions_for_page = form.questions_for_page(page)
+    soft_validations = form.soft_validations_for_page(page)
+    questions_for_page = initial_questions_for_page.merge(soft_validations || {})
+
     questions_for_page.each_with_object({}) do |(question_key, question_info), result|
       question_params = params["case_log"][question_key]
+      next unless question_params
+
       if question_info["type"] == "checkbox"
         question_info["answer_options"].keys.reject { |x| x.match(/divider/) }.each do |option|
           result[option] = question_params.include?(option)
diff --git a/app/models/case_log.rb b/app/models/case_log.rb
index 1e59c0819..d0da357a6 100644
--- a/app/models/case_log.rb
+++ b/app/models/case_log.rb
@@ -111,6 +111,10 @@ class CaseLogValidator < ActiveModel::Validator
     if record.weekly_net_income < record.applicable_income_range.hard_min
       record.errors.add :net_income, "Net income cannot be less than #{record.applicable_income_range.hard_min} given the tenant's working situation"
     end
+
+    if record.soft_errors.present? && record.override_net_income_validation.blank?
+      record.errors.add :override_net_income_validation, "For net incomes that fall outside the expected range you must confirm they're correct"
+    end
   end
 
   def validate_other_tenancy_type(record)
@@ -211,6 +215,24 @@ class CaseLog < ApplicationRecord
     IncomeRange::ALLOWED[person_1_economic_status.to_sym]
   end
 
+  def soft_errors()
+    soft_errors = {}
+    if weekly_net_income && person_1_economic_status && override_net_income_validation.blank?
+      if weekly_net_income < applicable_income_range.soft_min && weekly_net_income > applicable_income_range.hard_min
+        soft_errors["weekly_net_income"] = OpenStruct.new(
+          message: "Net income is lower than expected based on the main tenant's working situation. Are you sure this is correct?",
+          hint_text: "This is based on the tenant's work situation: #{person_1_economic_status}"
+        )
+      elsif weekly_net_income > applicable_income_range.soft_max && weekly_net_income < applicable_income_range.hard_max
+        soft_errors["weekly_net_income"] = OpenStruct.new(
+          message: "Net income is higher than expected based on the main tenant's working situation. Are you sure this is correct?",
+          hint_text: "This is based on the tenant's work situation: #{person_1_economic_status}"
+        )
+      end
+    end
+    soft_errors
+  end
+
 private
 
   def update_status!
@@ -252,6 +274,10 @@ private
       dynamically_not_required << "other_tenancy_type"
     end
 
+    if soft_errors.empty?
+      dynamically_not_required << "override_net_income_validation"
+    end
+
     required.delete_if { |key, _value| dynamically_not_required.include?(key) }
   end
 end
diff --git a/app/models/form.rb b/app/models/form.rb
index fc11d2b36..d819a1b6c 100644
--- a/app/models/form.rb
+++ b/app/models/form.rb
@@ -41,6 +41,11 @@ class Form
     pages_for_subsection(subsection).map { |title, _value| questions_for_page(title) }.reduce(:merge)
   end
 
+  # Returns a hash with soft validation questions as keys
+  def soft_validations_for_page(page)
+    all_pages[page]["soft_validations"]
+  end
+
   def first_page_for_subsection(subsection)
     pages_for_subsection(subsection).keys.first
   end
diff --git a/app/views/form/_validation_override_question.html.erb b/app/views/form/_validation_override_question.html.erb
new file mode 100644
index 000000000..e1858ecb2
--- /dev/null
+++ b/app/views/form/_validation_override_question.html.erb
@@ -0,0 +1,9 @@
+<%= f.govuk_check_boxes_fieldset :override_net_income_validation,
+    legend: { text: @case_log.soft_errors.values.first.message, size: "l" },
+    hint: { text: @case_log.soft_errors.values.first.hint_text } do %>
+
+    <%= f.govuk_check_box :override_net_income_validation, "override_net_income_validation",
+      label: { text: "Yes" },
+      checked: f.object.send("override_net_income_validation")
+    %>
+<% end %>
diff --git a/app/views/form/page.html.erb b/app/views/form/page.html.erb
index 878fefd66..1b1da86fa 100644
--- a/app/views/form/page.html.erb
+++ b/app/views/form/page.html.erb
@@ -17,6 +17,10 @@
       </div>
     <% end %>
 
+    <% if @case_log.soft_errors.present? %>
+      <%= render partial: "form/validation_override_question", locals: { f: f } %>
+    <% end %>
+
     <%= f.hidden_field :previous_page, value: page_key %>
     <%= f.govuk_submit "Save and continue"  %>
   <% end %>
diff --git a/config/forms/2021_2022.json b/config/forms/2021_2022.json
index f4cf447c3..04fbf06ec 100644
--- a/config/forms/2021_2022.json
+++ b/config/forms/2021_2022.json
@@ -1477,6 +1477,15 @@
                     "2": "Yearly"
                   }
                 }
+              },
+              "soft_validations": {
+                "override_net_income_validation": {
+                  "check_answer_label": "Net income confirmed?",
+                  "type": "validation_override",
+                  "answer_options": {
+                    "override_net_income_validation": "Yes"
+                  }
+                }
               }
             },
             "net_income_uc_proportion": {
diff --git a/db/migrate/20211028090049_add_net_income_override.rb b/db/migrate/20211028090049_add_net_income_override.rb
new file mode 100644
index 000000000..f776ada87
--- /dev/null
+++ b/db/migrate/20211028090049_add_net_income_override.rb
@@ -0,0 +1,5 @@
+class AddNetIncomeOverride < ActiveRecord::Migration[6.1]
+  def change
+    add_column :case_logs, :override_net_income_validation, :boolean
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index e7038ce2a..c286aa284 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_10_28_083105) do
+ActiveRecord::Schema.define(version: 2021_10_28_090049) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -133,6 +133,7 @@ ActiveRecord::Schema.define(version: 2021_10_28_083105) do
     t.boolean "reasonable_preference_reason_do_not_know"
     t.datetime "discarded_at"
     t.string "other_tenancy_type"
+    t.boolean "override_net_income_validation"
     t.index ["discarded_at"], name: "index_case_logs_on_discarded_at"
   end
 
diff --git a/spec/features/case_log_spec.rb b/spec/features/case_log_spec.rb
index 587fc80f1..809200363 100644
--- a/spec/features/case_log_spec.rb
+++ b/spec/features/case_log_spec.rb
@@ -377,6 +377,22 @@ RSpec.describe "Test Features" do
     end
   end
 
+  describe "Soft Validation" do
+    context "given a weekly net income that is above the expected amount for the given economic status but below the hard max" do
+      let!(:case_log){ FactoryBot.create(:case_log, :in_progress, person_1_economic_status: "Full-time - 30 hours or more") }
+      let(:income_over_soft_limit) { 750 }
+
+      it "prompts the user to confirm the value is correct" do
+        visit("/case_logs/#{case_log.id}/net_income")
+        fill_in("case-log-net-income-field", with: income_over_soft_limit)
+        choose("case-log-net-income-frequency-weekly-field", allow_label_click: true)
+        click_button("Save and continue")
+        expect(page).to have_current_path("/case_logs/#{case_log.id}/net_income")
+        expect(page).to have_unchecked_field("case-log-override-net-income-validation-override-net-income-validation-field")
+      end
+    end
+  end
+
   describe "conditional page routing", js: true do
     it "can route the user to a different page based on their answer on the current page" do
       visit("case_logs/#{id}/conditional_question")