diff --git a/app/models/form/sales/pages/retirement_value_check.rb b/app/models/form/sales/pages/retirement_value_check.rb
new file mode 100644
index 000000000..ae8389acf
--- /dev/null
+++ b/app/models/form/sales/pages/retirement_value_check.rb
@@ -0,0 +1,43 @@
+class Form::Sales::Pages::RetirementValueCheck < Form::Sales::Pages::Person
+  def initialize(id, hsh, subsection, person_index:)
+    super
+    @depends_on = [
+      {
+        "person_#{person_index}_retired_under_soft_min_age?" => true,
+        "jointpur" => joint_purchase? ? 1 : 2,
+      },
+    ]
+    @person_index = person_index
+    @title_text = {
+      "translation" => "soft_validations.retirement.min.title",
+      "arguments" => [
+        {
+          "key" => "retirement_age_for_person_#{person_index}",
+          "label" => false,
+          "i18n_template" => "age",
+        },
+      ],
+    }
+    @informative_text = {
+      "translation" => "soft_validations.retirement.min.hint_text",
+      "arguments" => [
+        {
+          "key" => "plural_gender_for_person_#{person_index}",
+          "label" => false,
+          "i18n_template" => "gender",
+        },
+        {
+          "key" => "retirement_age_for_person_#{person_index}",
+          "label" => false,
+          "i18n_template" => "age",
+        },
+      ],
+    }
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::RetirementValueCheck.new(nil, nil, self, person_index: @person_index),
+    ]
+  end
+end
diff --git a/app/models/form/sales/questions/age1.rb b/app/models/form/sales/questions/age1.rb
index 2ac7a9e3f..94d40100f 100644
--- a/app/models/form/sales/questions/age1.rb
+++ b/app/models/form/sales/questions/age1.rb
@@ -17,5 +17,7 @@ class Form::Sales::Questions::Age1 < ::Form::Question
       },
     ]
     @check_answers_card_number = 1
+    @min = 16
+    @max = 110
   end
 end
diff --git a/app/models/form/sales/questions/retirement_value_check.rb b/app/models/form/sales/questions/retirement_value_check.rb
new file mode 100644
index 000000000..56573490e
--- /dev/null
+++ b/app/models/form/sales/questions/retirement_value_check.rb
@@ -0,0 +1,24 @@
+class Form::Sales::Questions::RetirementValueCheck < ::Form::Question
+  def initialize(id, hsh, page, person_index:)
+    super(id, hsh, page)
+    @id = "retirement_value_check"
+    @check_answer_label = "Retirement confirmation"
+    @type = "interruption_screen"
+    @answer_options = {
+      "0" => { "value" => "Yes" },
+      "1" => { "value" => "No" },
+    }
+    @hidden_in_check_answers = {
+      "depends_on" => [
+        {
+          "retirement_value_check" => 0,
+        },
+        {
+          "retirement_value_check" => 1,
+        },
+      ],
+    }
+    @check_answers_card_number = person_index
+    @header = "Are you sure this person is retired?"
+  end
+end
diff --git a/app/models/form/sales/subsections/household_characteristics.rb b/app/models/form/sales/subsections/household_characteristics.rb
index 38a71cf41..b4c8badcf 100644
--- a/app/models/form/sales/subsections/household_characteristics.rb
+++ b/app/models/form/sales/subsections/household_characteristics.rb
@@ -11,7 +11,11 @@ class Form::Sales::Subsections::HouseholdCharacteristics < ::Form::Subsection
       Form::Sales::Pages::BuyerInterview.new(nil, nil, self),
       Form::Sales::Pages::PrivacyNotice.new(nil, nil, self),
       Form::Sales::Pages::Age1.new(nil, nil, self),
+      Form::Sales::Pages::RetirementValueCheck.new("age_1_retirement_value_check", nil, self, person_index: 1),
+      Form::Sales::Pages::RetirementValueCheck.new("age_1_retirement_value_check_joint_purchase", nil, self, person_index: 1),
       Form::Sales::Pages::GenderIdentity1.new(nil, nil, self),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_1_retirement_value_check", nil, self, person_index: 1),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_1_retirement_value_check_joint_purchase", nil, self, person_index: 1),
       Form::Sales::Pages::Buyer1EthnicGroup.new(nil, nil, self),
       Form::Sales::Pages::Buyer1EthnicBackgroundBlack.new(nil, nil, self),
       Form::Sales::Pages::Buyer1EthnicBackgroundAsian.new(nil, nil, self),
@@ -20,12 +24,17 @@ 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::RetirementValueCheck.new("working_situation_1_retirement_value_check", nil, self, person_index: 1),
+      Form::Sales::Pages::RetirementValueCheck.new("working_situation_1_retirement_value_check_joint_purchase", nil, self, person_index: 1),
       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),
+      Form::Sales::Pages::RetirementValueCheck.new("age_2_retirement_value_check_joint_purchase", nil, self, person_index: 2),
       Form::Sales::Pages::GenderIdentity2.new(nil, nil, self),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_2_retirement_value_check_joint_purchase", nil, self, person_index: 2),
       Form::Sales::Pages::Buyer2WorkingSituation.new(nil, nil, self),
+      Form::Sales::Pages::RetirementValueCheck.new("working_situation_2_retirement_value_check_joint_purchase", nil, self, person_index: 2),
       Form::Sales::Pages::Buyer2LiveInProperty.new(nil, nil, self),
       Form::Sales::Pages::NumberOfOthersInProperty.new(nil, nil, self),
       Form::Sales::Pages::PersonKnown.new("person_1_known", nil, self, person_index: 2),
@@ -33,41 +42,65 @@ class Form::Sales::Subsections::HouseholdCharacteristics < ::Form::Subsection
       Form::Sales::Pages::PersonRelationshipToBuyer1.new("person_1_relationship_to_buyer_1", nil, self, person_index: 2),
       Form::Sales::Pages::PersonRelationshipToBuyer1.new("person_1_relationship_to_buyer_1_joint_purchase", nil, self, person_index: 3),
       Form::Sales::Pages::PersonAge.new("person_1_age", nil, self, person_index: 2),
+      Form::Sales::Pages::RetirementValueCheck.new("age_2_retirement_value_check", nil, self, person_index: 2),
       Form::Sales::Pages::PersonAge.new("person_1_age_joint_purchase", nil, self, person_index: 3),
+      Form::Sales::Pages::RetirementValueCheck.new("age_3_retirement_value_check_joint_purchase", nil, self, person_index: 3),
       Form::Sales::Pages::PersonGenderIdentity.new("person_1_gender_identity", nil, self, person_index: 2),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_2_retirement_value_check", nil, self, person_index: 2),
       Form::Sales::Pages::PersonGenderIdentity.new("person_1_gender_identity_joint_purchase", nil, self, person_index: 3),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_3_retirement_value_check_joint_purchase", nil, self, person_index: 3),
       Form::Sales::Pages::PersonWorkingSituation.new("person_1_working_situation", nil, self, person_index: 2),
+      Form::Sales::Pages::RetirementValueCheck.new("working_situation_2_retirement_value_check", nil, self, person_index: 2),
       Form::Sales::Pages::PersonWorkingSituation.new("person_1_working_situation_joint_purchase", nil, self, person_index: 3),
+      Form::Sales::Pages::RetirementValueCheck.new("working_situation_3_retirement_value_check_joint_purchase", nil, self, person_index: 3),
       Form::Sales::Pages::PersonKnown.new("person_2_known", nil, self, person_index: 3),
       Form::Sales::Pages::PersonKnown.new("person_2_known_joint_purchase", nil, self, person_index: 4),
       Form::Sales::Pages::PersonRelationshipToBuyer1.new("person_2_relationship_to_buyer_1", nil, self, person_index: 3),
       Form::Sales::Pages::PersonRelationshipToBuyer1.new("person_2_relationship_to_buyer_1_joint_purchase", nil, self, person_index: 4),
       Form::Sales::Pages::PersonAge.new("person_2_age", nil, self, person_index: 3),
+      Form::Sales::Pages::RetirementValueCheck.new("age_3_retirement_value_check", nil, self, person_index: 3),
       Form::Sales::Pages::PersonAge.new("person_2_age_joint_purchase", nil, self, person_index: 4),
+      Form::Sales::Pages::RetirementValueCheck.new("age_4_retirement_value_check_joint_purchase", nil, self, person_index: 4),
       Form::Sales::Pages::PersonGenderIdentity.new("person_2_gender_identity", nil, self, person_index: 3),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_3_retirement_value_check", nil, self, person_index: 3),
       Form::Sales::Pages::PersonGenderIdentity.new("person_2_gender_identity_joint_purchase", nil, self, person_index: 4),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_4_retirement_value_check_joint_purchase", nil, self, person_index: 4),
       Form::Sales::Pages::PersonWorkingSituation.new("person_2_working_situation", nil, self, person_index: 3),
+      Form::Sales::Pages::RetirementValueCheck.new("working_situation_3_retirement_value_check", nil, self, person_index: 3),
       Form::Sales::Pages::PersonWorkingSituation.new("person_2_working_situation_joint_purchase", nil, self, person_index: 4),
+      Form::Sales::Pages::RetirementValueCheck.new("working_situation_4_retirement_value_check_joint_purchase", nil, self, person_index: 4),
       Form::Sales::Pages::PersonKnown.new("person_3_known", nil, self, person_index: 4),
       Form::Sales::Pages::PersonKnown.new("person_3_known_joint_purchase", nil, self, person_index: 5),
       Form::Sales::Pages::PersonRelationshipToBuyer1.new("person_3_relationship_to_buyer_1", nil, self, person_index: 4),
       Form::Sales::Pages::PersonRelationshipToBuyer1.new("person_3_relationship_to_buyer_1_joint_purchase", nil, self, person_index: 5),
       Form::Sales::Pages::PersonAge.new("person_3_age", nil, self, person_index: 4),
+      Form::Sales::Pages::RetirementValueCheck.new("age_4_retirement_value_check", nil, self, person_index: 4),
       Form::Sales::Pages::PersonAge.new("person_3_age_joint_purchase", nil, self, person_index: 5),
+      Form::Sales::Pages::RetirementValueCheck.new("age_5_retirement_value_check_joint_purchase", nil, self, person_index: 5),
       Form::Sales::Pages::PersonGenderIdentity.new("person_3_gender_identity", nil, self, person_index: 4),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_4_retirement_value_check", nil, self, person_index: 4),
       Form::Sales::Pages::PersonGenderIdentity.new("person_3_gender_identity_joint_purchase", nil, self, person_index: 5),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_5_retirement_value_check_joint_purchase", nil, self, person_index: 5),
       Form::Sales::Pages::PersonWorkingSituation.new("person_3_working_situation", nil, self, person_index: 4),
+      Form::Sales::Pages::RetirementValueCheck.new("working_situation_4_retirement_value_check", nil, self, person_index: 4),
       Form::Sales::Pages::PersonWorkingSituation.new("person_3_working_situation_joint_purchase", nil, self, person_index: 5),
+      Form::Sales::Pages::RetirementValueCheck.new("working_situation_5_retirement_value_check_joint_purchase", nil, self, person_index: 5),
       Form::Sales::Pages::PersonKnown.new("person_4_known", nil, self, person_index: 5),
       Form::Sales::Pages::PersonKnown.new("person_4_known_joint_purchase", nil, self, person_index: 6),
       Form::Sales::Pages::PersonRelationshipToBuyer1.new("person_4_relationship_to_buyer_1", nil, self, person_index: 5),
       Form::Sales::Pages::PersonRelationshipToBuyer1.new("person_4_relationship_to_buyer_1_joint_purchase", nil, self, person_index: 6),
       Form::Sales::Pages::PersonAge.new("person_4_age", nil, self, person_index: 5),
+      Form::Sales::Pages::RetirementValueCheck.new("age_5_retirement_value_check", nil, self, person_index: 5),
       Form::Sales::Pages::PersonAge.new("person_4_age_joint_purchase", nil, self, person_index: 6),
+      Form::Sales::Pages::RetirementValueCheck.new("age_6_retirement_value_check_joint_purchase", nil, self, person_index: 6),
       Form::Sales::Pages::PersonGenderIdentity.new("person_4_gender_identity", nil, self, person_index: 5),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_5_retirement_value_check", nil, self, person_index: 5),
       Form::Sales::Pages::PersonGenderIdentity.new("person_4_gender_identity_joint_purchase", nil, self, person_index: 6),
+      Form::Sales::Pages::RetirementValueCheck.new("gender_6_retirement_value_check_joint_purchase", nil, self, person_index: 6),
       Form::Sales::Pages::PersonWorkingSituation.new("person_4_working_situation", nil, self, person_index: 5),
+      Form::Sales::Pages::RetirementValueCheck.new("working_situation_5_retirement_value_check", nil, self, person_index: 5),
       Form::Sales::Pages::PersonWorkingSituation.new("person_4_working_situation_joint_purchase", nil, self, person_index: 6),
+      Form::Sales::Pages::RetirementValueCheck.new("working_situation_6_retirement_value_check_joint_purchase", nil, self, person_index: 6),
     ]
   end
 end
diff --git a/app/models/lettings_log.rb b/app/models/lettings_log.rb
index d78495016..04b4b4ec9 100644
--- a/app/models/lettings_log.rb
+++ b/app/models/lettings_log.rb
@@ -456,16 +456,6 @@ class LettingsLog < Log
     OPTIONAL_FIELDS + dynamically_not_required
   end
 
-  (1..8).each do |person_num|
-    define_method("retirement_age_for_person_#{person_num}") do
-      retirement_age_for_person(person_num)
-    end
-
-    define_method("plural_gender_for_person_#{person_num}") do
-      plural_gender_for_person(person_num)
-    end
-  end
-
   def retirement_age_for_person(person_num)
     gender = public_send("sex#{person_num}".to_sym)
     return unless gender
@@ -473,17 +463,6 @@ class LettingsLog < Log
     RETIREMENT_AGES[gender]
   end
 
-  def plural_gender_for_person(person_num)
-    gender = public_send("sex#{person_num}".to_sym)
-    return unless gender
-
-    if %w[M X].include?(gender)
-      "male and non-binary people"
-    elsif gender == "F"
-      "females"
-    end
-  end
-
   def age_known?(person_num)
     return false unless person_num.is_a?(Integer)
 
diff --git a/app/models/log.rb b/app/models/log.rb
index ea8a637af..d10211577 100644
--- a/app/models/log.rb
+++ b/app/models/log.rb
@@ -62,8 +62,29 @@ class Log < ApplicationRecord
     end
   end
 
+  (1..8).each do |person_num|
+    define_method("retirement_age_for_person_#{person_num}") do
+      retirement_age_for_person(person_num)
+    end
+
+    define_method("plural_gender_for_person_#{person_num}") do
+      plural_gender_for_person(person_num)
+    end
+  end
+
 private
 
+  def plural_gender_for_person(person_num)
+    gender = public_send("sex#{person_num}".to_sym)
+    return unless gender
+
+    if %w[M X].include?(gender)
+      "male and non-binary people"
+    elsif gender == "F"
+      "females"
+    end
+  end
+
   def update_status!
     self.status = if all_fields_completed? && errors.empty?
                     "completed"
diff --git a/app/models/sales_log.rb b/app/models/sales_log.rb
index cdf2964f1..45bd9f729 100644
--- a/app/models/sales_log.rb
+++ b/app/models/sales_log.rb
@@ -16,6 +16,7 @@ end
 class SalesLog < Log
   include DerivedVariables::SalesLogVariables
   include Validations::Sales::SoftValidations
+  include Validations::SoftValidations
 
   self.inheritance_column = :_type_disabled
 
@@ -33,6 +34,7 @@ class SalesLog < Log
   scope :search_by, ->(param) { filter_by_id(param) }
 
   OPTIONAL_FIELDS = %w[purchid].freeze
+  RETIREMENT_AGES = { "M" => 65, "F" => 60, "X" => 65 }.freeze
 
   def startdate
     saledate
@@ -181,4 +183,23 @@ class SalesLog < Log
     self.postcode_full = upcase_and_remove_whitespace(postcode_full)
     process_postcode(postcode_full, "pcodenk", "is_la_inferred", "la")
   end
+
+  def retirement_age_for_person(person_num)
+    gender = public_send("sex#{person_num}".to_sym)
+    return unless gender
+
+    RETIREMENT_AGES[gender]
+  end
+
+  def joint_purchase?
+    jointpur == 1
+  end
+
+  def not_joint_purchase?
+    jointpur == 2
+  end
+
+  def old_persons_shared_ownership?
+    type == 24
+  end
 end
diff --git a/app/models/validations/sales/household_validations.rb b/app/models/validations/sales/household_validations.rb
index 6e16a0476..8ee00fdfd 100644
--- a/app/models/validations/sales/household_validations.rb
+++ b/app/models/validations/sales/household_validations.rb
@@ -18,6 +18,20 @@ module Validations::Sales::HouseholdValidations
     shared_validate_partner_count(record, 6)
   end
 
+  def validate_buyers_age_for_old_persons_shared_ownership(record)
+    if record.old_persons_shared_ownership?
+      if record.joint_purchase? && ages_unknown_or_under_64?(record, [1, 2])
+        record.errors.add :age1, I18n.t("validations.household.old_persons_shared_ownership")
+        record.errors.add :age2, I18n.t("validations.household.old_persons_shared_ownership")
+        record.errors.add :type, I18n.t("validations.household.old_persons_shared_ownership")
+      end
+      if record.not_joint_purchase? && ages_unknown_or_under_64?(record, [1])
+        record.errors.add :age1, I18n.t("validations.household.old_persons_shared_ownership")
+        record.errors.add :type, I18n.t("validations.household.old_persons_shared_ownership")
+      end
+    end
+  end
+
 private
 
   def validate_person_age_matches_relationship(record, person_num)
@@ -97,4 +111,8 @@ private
   def tenant_is_economic_child?(economic_status)
     economic_status == 9
   end
+
+  def ages_unknown_or_under_64?(record, person_indexes)
+    person_indexes.all? { |person_num| record["age#{person_num}"].present? && record["age#{person_num}"] < 64 || record["age#{person_num}_known"] == 1 }
+  end
 end
diff --git a/app/models/validations/soft_validations.rb b/app/models/validations/soft_validations.rb
index 944fff022..fc2c469ca 100644
--- a/app/models/validations/soft_validations.rb
+++ b/app/models/validations/soft_validations.rb
@@ -111,7 +111,7 @@ private
     gender = public_send("sex#{person_num}")
     return unless age && economic_status && gender
 
-    %w[M X].include?(gender) && tenant_is_retired?(economic_status) && age < 67 ||
+    %w[M X].include?(gender) && tenant_is_retired?(economic_status) && age < retirement_age_for_person(person_num) ||
       gender == "F" && tenant_is_retired?(economic_status) && age < 60
   end
 
@@ -122,7 +122,7 @@ private
     tenant_retired_or_prefers_not_say = tenant_is_retired?(economic_status) || tenant_prefers_not_to_say?(economic_status)
     return unless age && economic_status && gender
 
-    %w[M X].include?(gender) && !tenant_retired_or_prefers_not_say && age > 67 ||
+    %w[M X].include?(gender) && !tenant_retired_or_prefers_not_say && age > retirement_age_for_person(person_num) ||
       gender == "F" && !tenant_retired_or_prefers_not_say && age > 60
   end
 end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 73bd8bdf7..ac6a2fa7f 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -367,7 +367,8 @@ en:
         not_internal_transfer: "Answer cannot be ‘permanently decanted from another property owned by this landlord’ as you told us the source of referral for this tenancy was not an internal transfer"
       condition_effects:
         no_choices: "You cannot answer this question as you told us nobody in the household has a physical or mental health condition (or other illness) expected to last 12 months or more"
-
+      old_persons_shared_ownership: "Are you sure? At least one buyer should be aged over 64 for Older persons‘ shared ownership scheme"
+      
     tenancy:
       length:
         fixed_term_not_required: "You must only answer the length of the tenancy if it's fixed-term"
diff --git a/db/migrate/20230116124402_add_retirement_value_check_to_sales.rb b/db/migrate/20230116124402_add_retirement_value_check_to_sales.rb
new file mode 100644
index 000000000..714c5f6b3
--- /dev/null
+++ b/db/migrate/20230116124402_add_retirement_value_check_to_sales.rb
@@ -0,0 +1,7 @@
+class AddRetirementValueCheckToSales < ActiveRecord::Migration[7.0]
+  def change
+    change_table :sales_logs, bulk: true do |t|
+      t.column :retirement_value_check, :integer
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index e05334946..91c6bed37 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -503,6 +503,7 @@ ActiveRecord::Schema[7.0].define(version: 2023_01_16_151942) do
     t.integer "hodate_check"
     t.bigint "bulk_upload_id"
     t.index ["bulk_upload_id"], name: "index_sales_logs_on_bulk_upload_id"
+    t.integer "retirement_value_check"
     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"
diff --git a/spec/models/form/sales/pages/retirement_value_check_spec.rb b/spec/models/form/sales/pages/retirement_value_check_spec.rb
new file mode 100644
index 000000000..9c04ef25c
--- /dev/null
+++ b/spec/models/form/sales/pages/retirement_value_check_spec.rb
@@ -0,0 +1,603 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::RetirementValueCheck, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection, person_index:) }
+
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+  let(:person_index) { 1 }
+
+  let(:page_id) { "person_1_retirement_value_check" }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has the correct header" do
+    expect(page.header).to be_nil
+  end
+
+  it "has the correct description" do
+    expect(page.description).to be_nil
+  end
+
+  context "with joint purchase" do
+    context "with person 1" do
+      let(:person_index) { 1 }
+      let(:page_id) { "person_1_retirement_value_check_joint_purchase" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_1_retirement_value_check_joint_purchase")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_1_retired_under_soft_min_age?" => true, "jointpur" => 1 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_1",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_1",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_1",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+
+    context "with person 2" do
+      let(:person_index) { 2 }
+      let(:page_id) { "person_2_retirement_value_check_joint_purchase" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_2_retirement_value_check_joint_purchase")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_2_retired_under_soft_min_age?" => true, "jointpur" => 1 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_2",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_2",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_2",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+
+    context "with person 3" do
+      let(:person_index) { 3 }
+      let(:page_id) { "person_3_retirement_value_check_joint_purchase" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_3_retirement_value_check_joint_purchase")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_3_retired_under_soft_min_age?" => true, "jointpur" => 1 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_3",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_3",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_3",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+
+    context "with person 4" do
+      let(:person_index) { 4 }
+      let(:page_id) { "person_4_retirement_value_check_joint_purchase" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_4_retirement_value_check_joint_purchase")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_4_retired_under_soft_min_age?" => true, "jointpur" => 1 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_4",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_4",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_4",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+
+    context "with person 5" do
+      let(:person_index) { 5 }
+      let(:page_id) { "person_5_retirement_value_check_joint_purchase" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_5_retirement_value_check_joint_purchase")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_5_retired_under_soft_min_age?" => true, "jointpur" => 1 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_5",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_5",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_5",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+
+    context "with person 6" do
+      let(:person_index) { 6 }
+      let(:page_id) { "person_6_retirement_value_check_joint_purchase" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_6_retirement_value_check_joint_purchase")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_6_retired_under_soft_min_age?" => true, "jointpur" => 1 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_6",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_6",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_6",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+  end
+
+  context "without joint purchase" do
+    context "with person 1" do
+      let(:person_index) { 1 }
+      let(:page_id) { "person_1_retirement_value_check" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_1_retirement_value_check")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_1_retired_under_soft_min_age?" => true, "jointpur" => 2 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_1",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_1",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_1",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+
+    context "with person 2" do
+      let(:person_index) { 2 }
+      let(:page_id) { "person_2_retirement_value_check" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_2_retirement_value_check")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_2_retired_under_soft_min_age?" => true, "jointpur" => 2 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_2",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_2",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_2",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+
+    context "with person 3" do
+      let(:person_index) { 2 }
+      let(:page_id) { "person_3_retirement_value_check" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_3_retirement_value_check")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_2_retired_under_soft_min_age?" => true, "jointpur" => 2 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_2",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_2",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_2",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+
+    context "with person 4" do
+      let(:person_index) { 3 }
+      let(:page_id) { "person_4_retirement_value_check" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_4_retirement_value_check")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_3_retired_under_soft_min_age?" => true, "jointpur" => 2 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_3",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_3",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_3",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+
+    context "with person 5" do
+      let(:person_index) { 4 }
+      let(:page_id) { "person_5_retirement_value_check" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_5_retirement_value_check")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_4_retired_under_soft_min_age?" => true, "jointpur" => 2 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_4",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_4",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_4",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+
+    context "with person 6" do
+      let(:person_index) { 5 }
+      let(:page_id) { "person_6_retirement_value_check" }
+
+      it "has correct questions" do
+        expect(page.questions.map(&:id)).to eq(%w[retirement_value_check])
+      end
+
+      it "has the correct id" do
+        expect(page.id).to eq("person_6_retirement_value_check")
+      end
+
+      it "has correct depends_on" do
+        expect(page.depends_on).to eq([{ "person_5_retired_under_soft_min_age?" => true, "jointpur" => 2 }])
+      end
+
+      it "has correct title_text" do
+        expect(page.title_text).to eq({
+          "translation" => "soft_validations.retirement.min.title",
+          "arguments" => [
+            {
+              "key" => "retirement_age_for_person_5",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+
+      it "has correct informative_text" do
+        expect(page.informative_text).to eq({
+          "translation" => "soft_validations.retirement.min.hint_text",
+          "arguments" => [
+            {
+              "key" => "plural_gender_for_person_5",
+              "label" => false,
+              "i18n_template" => "gender",
+            },
+            {
+              "key" => "retirement_age_for_person_5",
+              "label" => false,
+              "i18n_template" => "age",
+            },
+          ],
+        })
+      end
+    end
+  end
+end
diff --git a/spec/models/form/sales/questions/age1_spec.rb b/spec/models/form/sales/questions/age1_spec.rb
index b5ab5d44b..33fe91c82 100644
--- a/spec/models/form/sales/questions/age1_spec.rb
+++ b/spec/models/form/sales/questions/age1_spec.rb
@@ -55,4 +55,12 @@ RSpec.describe Form::Sales::Questions::Age1, type: :model do
   it "has the correct check_answers_card_number" do
     expect(question.check_answers_card_number).to eq(1)
   end
+
+  it "has the correct min" do
+    expect(question.min).to eq(16)
+  end
+
+  it "has the correct max" do
+    expect(question.max).to eq(110)
+  end
 end
diff --git a/spec/models/form/sales/questions/retirement_value_check_spec.rb b/spec/models/form/sales/questions/retirement_value_check_spec.rb
new file mode 100644
index 000000000..318faa5d9
--- /dev/null
+++ b/spec/models/form/sales/questions/retirement_value_check_spec.rb
@@ -0,0 +1,61 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::RetirementValueCheck, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page, person_index: 1) }
+
+  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("retirement_value_check")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Are you sure this person is retired?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Retirement confirmation")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("interruption_screen")
+  end
+
+  it "is not marked as derived" do
+    expect(question.derived?).to be false
+  end
+
+  it "has the correct hint" do
+    expect(question.hint_text).to be_nil
+  end
+
+  it "has a correct check_answers_card_number" do
+    expect(question.check_answers_card_number).to eq(1)
+  end
+
+  it "has the correct answer_options" do
+    expect(question.answer_options).to eq({
+      "0" => { "value" => "Yes" },
+      "1" => { "value" => "No" },
+    })
+  end
+
+  it "has the correct hidden_in_check_answers" do
+    expect(question.hidden_in_check_answers).to eq({
+      "depends_on" => [
+        {
+          "retirement_value_check" => 0,
+        },
+        {
+          "retirement_value_check" => 1,
+        },
+      ],
+    })
+  end
+end
diff --git a/spec/models/form/sales/subsections/household_characteristics_spec.rb b/spec/models/form/sales/subsections/household_characteristics_spec.rb
index 15c8be02f..34b1a7536 100644
--- a/spec/models/form/sales/subsections/household_characteristics_spec.rb
+++ b/spec/models/form/sales/subsections/household_characteristics_spec.rb
@@ -17,7 +17,11 @@ RSpec.describe Form::Sales::Subsections::HouseholdCharacteristics, type: :model
         buyer_interview
         privacy_notice
         buyer_1_age
+        age_1_retirement_value_check
+        age_1_retirement_value_check_joint_purchase
         buyer_1_gender_identity
+        gender_1_retirement_value_check
+        gender_1_retirement_value_check_joint_purchase
         buyer_1_ethnic_group
         buyer_1_ethnic_background_black
         buyer_1_ethnic_background_asian
@@ -26,12 +30,17 @@ RSpec.describe Form::Sales::Subsections::HouseholdCharacteristics, type: :model
         buyer_1_ethnic_background_white
         buyer_1_nationality
         buyer_1_working_situation
+        working_situation_1_retirement_value_check
+        working_situation_1_retirement_value_check_joint_purchase
         working_situation_buyer_1_income_value_check
         buyer_1_live_in_property
         buyer_2_relationship_to_buyer_1
         buyer_2_age
+        age_2_retirement_value_check_joint_purchase
         buyer_2_gender_identity
+        gender_2_retirement_value_check_joint_purchase
         buyer_2_working_situation
+        working_situation_2_retirement_value_check_joint_purchase
         buyer_2_live_in_property
         number_of_others_in_property
         person_1_known
@@ -39,41 +48,65 @@ RSpec.describe Form::Sales::Subsections::HouseholdCharacteristics, type: :model
         person_1_relationship_to_buyer_1
         person_1_relationship_to_buyer_1_joint_purchase
         person_1_age
+        age_2_retirement_value_check
         person_1_age_joint_purchase
+        age_3_retirement_value_check_joint_purchase
         person_1_gender_identity
+        gender_2_retirement_value_check
         person_1_gender_identity_joint_purchase
+        gender_3_retirement_value_check_joint_purchase
         person_1_working_situation
+        working_situation_2_retirement_value_check
         person_1_working_situation_joint_purchase
+        working_situation_3_retirement_value_check_joint_purchase
         person_2_known
         person_2_known_joint_purchase
         person_2_relationship_to_buyer_1
         person_2_relationship_to_buyer_1_joint_purchase
         person_2_age
+        age_3_retirement_value_check
         person_2_age_joint_purchase
+        age_4_retirement_value_check_joint_purchase
         person_2_gender_identity
+        gender_3_retirement_value_check
         person_2_gender_identity_joint_purchase
+        gender_4_retirement_value_check_joint_purchase
         person_2_working_situation
+        working_situation_3_retirement_value_check
         person_2_working_situation_joint_purchase
+        working_situation_4_retirement_value_check_joint_purchase
         person_3_known
         person_3_known_joint_purchase
         person_3_relationship_to_buyer_1
         person_3_relationship_to_buyer_1_joint_purchase
         person_3_age
+        age_4_retirement_value_check
         person_3_age_joint_purchase
+        age_5_retirement_value_check_joint_purchase
         person_3_gender_identity
+        gender_4_retirement_value_check
         person_3_gender_identity_joint_purchase
+        gender_5_retirement_value_check_joint_purchase
         person_3_working_situation
+        working_situation_4_retirement_value_check
         person_3_working_situation_joint_purchase
+        working_situation_5_retirement_value_check_joint_purchase
         person_4_known
         person_4_known_joint_purchase
         person_4_relationship_to_buyer_1
         person_4_relationship_to_buyer_1_joint_purchase
         person_4_age
+        age_5_retirement_value_check
         person_4_age_joint_purchase
+        age_6_retirement_value_check_joint_purchase
         person_4_gender_identity
+        gender_5_retirement_value_check
         person_4_gender_identity_joint_purchase
+        gender_6_retirement_value_check_joint_purchase
         person_4_working_situation
+        working_situation_5_retirement_value_check
         person_4_working_situation_joint_purchase
+        working_situation_6_retirement_value_check_joint_purchase
       ],
     )
   end
diff --git a/spec/models/form_handler_spec.rb b/spec/models/form_handler_spec.rb
index 1e0483fbc..c272ac4a9 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(149)
+      expect(form.pages.count).to eq(182)
       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(149)
+      expect(form.pages.count).to eq(182)
       expect(form.name).to eq("2021_2022_sales")
     end
   end
diff --git a/spec/models/validations/sales/household_validations_spec.rb b/spec/models/validations/sales/household_validations_spec.rb
index bdfb01ea4..61a204878 100644
--- a/spec/models/validations/sales/household_validations_spec.rb
+++ b/spec/models/validations/sales/household_validations_spec.rb
@@ -164,5 +164,120 @@ RSpec.describe Validations::Sales::HouseholdValidations do
       expect(record.errors["ecstat2"])
         .to include(match I18n.t("validations.household.ecstat.student_16_19.cannot_be_student.child_not_16_19"))
     end
+
+    context "when it is a joint purchase and both buyers are over 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 65, age2: 66, type: 24) }
+
+      it "does not add an error" do
+        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
+
+        expect(record.errors).not_to be_present
+      end
+    end
+
+    context "when it is a joint purchase and first buyer is over 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 65, age2: 40, type: 24) }
+
+      it "does not add an error" do
+        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
+
+        expect(record.errors).not_to be_present
+      end
+    end
+
+    context "when it is a joint purchase and second buyer is over 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 43, age2: 64, type: 24) }
+
+      it "does not add an error" do
+        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
+
+        expect(record.errors).not_to be_present
+      end
+    end
+
+    context "when it is a joint purchase and neither of the buyers are over 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 43, age2: 33, type: 24) }
+
+      it "adds an error" do
+        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
+
+        expect(record.errors["age1"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+        expect(record.errors["age2"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+        expect(record.errors["type"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+      end
+    end
+
+    context "when it is a joint purchase and first buyer is under 64 and the second buyers' age is unknown" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1: 43, age2_known: 1, type: 24) }
+
+      it "adds an error" do
+        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
+
+        expect(record.errors["age1"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+        expect(record.errors["age2"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+        expect(record.errors["type"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+      end
+    end
+
+    context "when it is a joint purchase and neither of the buyers ages are known" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 1, age1_known: 1, age2_known: 1, type: 24) }
+
+      it "adds an error" do
+        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
+
+        expect(record.errors["age1"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+        expect(record.errors["age2"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+        expect(record.errors["type"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+      end
+    end
+
+    context "when it is not a joint purchase and the buyer is over 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 2, age1: 70, type: 24) }
+
+      it "does not add an error" do
+        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
+
+        expect(record.errors).not_to be_present
+      end
+    end
+
+    context "when it is not a joint purchase and the buyer is under 64" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 2, age1: 20, type: 24) }
+
+      it "adds an error" do
+        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
+
+        expect(record.errors["age1"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+        expect(record.errors["age2"])
+        .to be_empty
+        expect(record.errors["type"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+      end
+    end
+
+    context "when it is not a joint purchase and the buyers age is not known" do
+      let(:record) { FactoryBot.build(:sales_log, jointpur: 2, age1_known: 1, type: 24) }
+
+      it "adds an error" do
+        household_validator.validate_buyers_age_for_old_persons_shared_ownership(record)
+
+        expect(record.errors["age1"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+        expect(record.errors["age2"])
+        .to be_empty
+        expect(record.errors["type"])
+        .to include(match I18n.t("validations.household.old_persons_shared_ownership"))
+      end
+    end
   end
 end