diff --git a/app/models/form/page.rb b/app/models/form/page.rb
index 7a5c4bf87..c1c09c362 100644
--- a/app/models/form/page.rb
+++ b/app/models/form/page.rb
@@ -25,7 +25,7 @@ class Form::Page
   delegate :form, to: :subsection
 
   def copy_key
-    @copy_key ||= "#{form.type}.#{subsection.id}.#{questions[0].id}"
+    @copy_key ||= "#{form.type}.#{subsection.copy_key}.#{questions[0].id}"
   end
 
   def header
diff --git a/app/models/form/question.rb b/app/models/form/question.rb
index 9409350f6..05eec89dd 100644
--- a/app/models/form/question.rb
+++ b/app/models/form/question.rb
@@ -51,7 +51,7 @@ class Form::Question
   delegate :form, to: :subsection
 
   def copy_key
-    @copy_key ||= "#{form.type}.#{subsection.id}.#{id}"
+    @copy_key ||= "#{form.type}.#{subsection.copy_key}.#{id}"
   end
 
   def check_answer_label
diff --git a/app/models/form/sales/pages/buyer_interview.rb b/app/models/form/sales/pages/buyer_interview.rb
index c6a43690b..4398e434a 100644
--- a/app/models/form/sales/pages/buyer_interview.rb
+++ b/app/models/form/sales/pages/buyer_interview.rb
@@ -2,7 +2,7 @@ class Form::Sales::Pages::BuyerInterview < ::Form::Page
   def initialize(id, hsh, subsection, joint_purchase:)
     super(id, hsh, subsection)
     @joint_purchase = joint_purchase
-    @copy_key = "sales.#{subsection.id}.noint.#{joint_purchase ? 'joint_purchase' : 'not_joint_purchase'}"
+    @copy_key = "sales.#{subsection.copy_key}.noint.#{joint_purchase ? 'joint_purchase' : 'not_joint_purchase'}"
   end
 
   def questions
diff --git a/app/models/form/sales/pages/deposit.rb b/app/models/form/sales/pages/deposit.rb
index 4870a3c35..b204227b2 100644
--- a/app/models/form/sales/pages/deposit.rb
+++ b/app/models/form/sales/pages/deposit.rb
@@ -3,7 +3,6 @@ class Form::Sales::Pages::Deposit < ::Form::Page
     super(id, hsh, subsection)
     @ownershipsch = ownershipsch
     @optional = optional
-    @copy_key = "sales.sale_information.deposit"
   end
 
   def questions
diff --git a/app/models/form/sales/pages/deposit_discount.rb b/app/models/form/sales/pages/deposit_discount.rb
index 84fcbb45f..3fae9c0f8 100644
--- a/app/models/form/sales/pages/deposit_discount.rb
+++ b/app/models/form/sales/pages/deposit_discount.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::DepositDiscount < ::Form::Page
   def initialize(id, hsh, subsection, optional:)
     super(id, hsh, subsection)
     @optional = optional
-    @copy_key = "sales.sale_information.cashdis"
   end
 
   def questions
diff --git a/app/models/form/sales/pages/discount.rb b/app/models/form/sales/pages/discount.rb
index 2d632985e..38d675a77 100644
--- a/app/models/form/sales/pages/discount.rb
+++ b/app/models/form/sales/pages/discount.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::Discount < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "discount"
-    @copy_key = "sales.sale_information.discount"
     @depends_on = [{
       "right_to_buy?" => true,
     }]
diff --git a/app/models/form/sales/pages/equity.rb b/app/models/form/sales/pages/equity.rb
index 9bf3050a0..46eec40a3 100644
--- a/app/models/form/sales/pages/equity.rb
+++ b/app/models/form/sales/pages/equity.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::Equity < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "equity"
-    @copy_key = "sales.sale_information.equity"
   end
 
   def questions
diff --git a/app/models/form/sales/pages/extra_borrowing.rb b/app/models/form/sales/pages/extra_borrowing.rb
index c6ddb705a..d86db67b5 100644
--- a/app/models/form/sales/pages/extra_borrowing.rb
+++ b/app/models/form/sales/pages/extra_borrowing.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::ExtraBorrowing < ::Form::Page
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @ownershipsch = ownershipsch
-    @copy_key = "sales.sale_information.extrabor"
     @description = ""
     @subsection = subsection
     @depends_on = [{
diff --git a/app/models/form/sales/pages/grant.rb b/app/models/form/sales/pages/grant.rb
index 2f96701c5..1d11fba82 100644
--- a/app/models/form/sales/pages/grant.rb
+++ b/app/models/form/sales/pages/grant.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::Grant < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "grant"
-    @copy_key = "sales.sale_information.grant"
     @depends_on = [{
       "right_to_buy?" => false,
       "rent_to_buy_full_ownership?" => false,
diff --git a/app/models/form/sales/pages/monthly_rent.rb b/app/models/form/sales/pages/monthly_rent.rb
index 943e47cff..29f0d895f 100644
--- a/app/models/form/sales/pages/monthly_rent.rb
+++ b/app/models/form/sales/pages/monthly_rent.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::MonthlyRent < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "monthly_rent"
-    @copy_key = "sales.sale_information.mrent"
   end
 
   def questions
diff --git a/app/models/form/sales/pages/mortgage_amount.rb b/app/models/form/sales/pages/mortgage_amount.rb
index 41fba167c..e6a722853 100644
--- a/app/models/form/sales/pages/mortgage_amount.rb
+++ b/app/models/form/sales/pages/mortgage_amount.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::MortgageAmount < ::Form::Page
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @ownershipsch = ownershipsch
-    @copy_key = "sales.sale_information.mortgage"
     @depends_on = [{ "mortgage_used?" => true }]
   end
 
diff --git a/app/models/form/sales/pages/mortgage_lender.rb b/app/models/form/sales/pages/mortgage_lender.rb
index 87646a514..6db3c01df 100644
--- a/app/models/form/sales/pages/mortgage_lender.rb
+++ b/app/models/form/sales/pages/mortgage_lender.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::MortgageLender < ::Form::Page
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @ownershipsch = ownershipsch
-    @copy_key = "sales.sale_information.mortgagelender"
     @description = ""
     @subsection = subsection
     @depends_on = [{
diff --git a/app/models/form/sales/pages/mortgage_lender_other.rb b/app/models/form/sales/pages/mortgage_lender_other.rb
index 903d6518f..f71089377 100644
--- a/app/models/form/sales/pages/mortgage_lender_other.rb
+++ b/app/models/form/sales/pages/mortgage_lender_other.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::MortgageLenderOther < ::Form::Page
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @ownershipsch = ownershipsch
-    @copy_key = "sales.sale_information.mortgagelenderother"
     @description = ""
     @subsection = subsection
     @depends_on = [{
diff --git a/app/models/form/sales/pages/mortgage_length.rb b/app/models/form/sales/pages/mortgage_length.rb
index 76c46694a..dbc01a695 100644
--- a/app/models/form/sales/pages/mortgage_length.rb
+++ b/app/models/form/sales/pages/mortgage_length.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::MortgageLength < ::Form::Page
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @ownershipsch = ownershipsch
-    @copy_key = "sales.sale_information.mortlen"
     @depends_on = [{
       "mortgageused" => 1,
     }]
diff --git a/app/models/form/sales/pages/mortgageused.rb b/app/models/form/sales/pages/mortgageused.rb
index ab48b0c2d..f9d8eae2e 100644
--- a/app/models/form/sales/pages/mortgageused.rb
+++ b/app/models/form/sales/pages/mortgageused.rb
@@ -1,7 +1,6 @@
 class Form::Sales::Pages::Mortgageused < ::Form::Page
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
-    @copy_key = "sales.sale_information.mortgageused"
     @ownershipsch = ownershipsch
   end
 
diff --git a/app/models/form/sales/pages/previous_bedrooms.rb b/app/models/form/sales/pages/previous_bedrooms.rb
index 26b3ef050..214632d49 100644
--- a/app/models/form/sales/pages/previous_bedrooms.rb
+++ b/app/models/form/sales/pages/previous_bedrooms.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::PreviousBedrooms < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "previous_bedrooms"
-    @copy_key = "sales.sale_information.frombeds"
     @depends_on = [
       {
         "soctenant" => 1,
diff --git a/app/models/form/sales/pages/previous_property_type.rb b/app/models/form/sales/pages/previous_property_type.rb
index c5dd4f66a..26669d774 100644
--- a/app/models/form/sales/pages/previous_property_type.rb
+++ b/app/models/form/sales/pages/previous_property_type.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::PreviousPropertyType < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "previous_property_type"
-    @copy_key = "sales.sale_information.fromprop"
     @description = ""
     @subsection = subsection
     @depends_on = [
diff --git a/app/models/form/sales/pages/previous_tenure.rb b/app/models/form/sales/pages/previous_tenure.rb
index c35b6bd67..0f4a4b250 100644
--- a/app/models/form/sales/pages/previous_tenure.rb
+++ b/app/models/form/sales/pages/previous_tenure.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::PreviousTenure < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "shared_ownership_previous_tenure"
-    @copy_key = "sales.sale_information.socprevten"
     @header = ""
     @description = ""
     @subsection = subsection
diff --git a/app/models/form/sales/pages/privacy_notice.rb b/app/models/form/sales/pages/privacy_notice.rb
index 40c441d3e..c99ee3397 100644
--- a/app/models/form/sales/pages/privacy_notice.rb
+++ b/app/models/form/sales/pages/privacy_notice.rb
@@ -1,7 +1,7 @@
 class Form::Sales::Pages::PrivacyNotice < ::Form::Page
   def initialize(id, hsh, subsection, joint_purchase:)
     super(id, hsh, subsection)
-    @copy_key = "sales.#{subsection.id}.privacynotice.#{joint_purchase ? 'joint_purchase' : 'not_joint_purchase'}"
+    @copy_key = "sales.#{subsection.copy_key}.privacynotice.#{joint_purchase ? 'joint_purchase' : 'not_joint_purchase'}"
     @joint_purchase = joint_purchase
   end
 
diff --git a/app/models/form/sales/pages/resale.rb b/app/models/form/sales/pages/resale.rb
index 6f4cd24e2..ffdbbc046 100644
--- a/app/models/form/sales/pages/resale.rb
+++ b/app/models/form/sales/pages/resale.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::Resale < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "resale"
-    @copy_key = "sales.sale_information.resale"
     @depends_on = [
       {
         "staircase" => 2,
diff --git a/app/models/form/sales/pages/staircase.rb b/app/models/form/sales/pages/staircase.rb
index 1413abadc..c96da3f3f 100644
--- a/app/models/form/sales/pages/staircase.rb
+++ b/app/models/form/sales/pages/staircase.rb
@@ -3,7 +3,7 @@ class Form::Sales::Pages::Staircase < ::Form::Page
     super
     @id = "staircasing"
     @depends_on = [{ "ownershipsch" => 1 }]
-    @copy_key = "sales.#{subsection.id}.staircasing"
+    @copy_key = "sales.#{subsection.copy_key}.staircasing"
   end
 
   def questions
diff --git a/app/models/form/sales/pages/value_shared_ownership.rb b/app/models/form/sales/pages/value_shared_ownership.rb
index c2212c787..200563053 100644
--- a/app/models/form/sales/pages/value_shared_ownership.rb
+++ b/app/models/form/sales/pages/value_shared_ownership.rb
@@ -2,7 +2,6 @@ class Form::Sales::Pages::ValueSharedOwnership < ::Form::Page
   def initialize(id, hsh, subsection)
     super
     @id = "value_shared_ownership"
-    @copy_key = "sales.sale_information.value"
   end
 
   def questions
diff --git a/app/models/form/sales/questions/buyer_interview.rb b/app/models/form/sales/questions/buyer_interview.rb
index b49b57807..50c290904 100644
--- a/app/models/form/sales/questions/buyer_interview.rb
+++ b/app/models/form/sales/questions/buyer_interview.rb
@@ -2,7 +2,7 @@ class Form::Sales::Questions::BuyerInterview < ::Form::Question
   def initialize(id, hsh, page, joint_purchase:)
     super(id, hsh, page)
     @id = "noint"
-    @copy_key = "sales.#{subsection.id}.noint.#{joint_purchase ? 'joint_purchase' : 'not_joint_purchase'}"
+    @copy_key = "sales.#{subsection.copy_key}.noint.#{joint_purchase ? 'joint_purchase' : 'not_joint_purchase'}"
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
     @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
diff --git a/app/models/form/sales/questions/deposit_amount.rb b/app/models/form/sales/questions/deposit_amount.rb
index 41586cd94..6f2b98ce8 100644
--- a/app/models/form/sales/questions/deposit_amount.rb
+++ b/app/models/form/sales/questions/deposit_amount.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::DepositAmount < ::Form::Question
   def initialize(id, hsh, subsection, ownershipsch:, optional:)
     super(id, hsh, subsection)
     @id = "deposit"
-    @copy_key = "sales.sale_information.deposit"
     @type = "numeric"
     @min = 0
     @max = 999_999
diff --git a/app/models/form/sales/questions/deposit_discount.rb b/app/models/form/sales/questions/deposit_discount.rb
index 289e3962c..bfc5f425d 100644
--- a/app/models/form/sales/questions/deposit_discount.rb
+++ b/app/models/form/sales/questions/deposit_discount.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::DepositDiscount < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "cashdis"
-    @copy_key = "sales.sale_information.cashdis"
     @type = "numeric"
     @min = 0
     @max = 999_999
diff --git a/app/models/form/sales/questions/discount.rb b/app/models/form/sales/questions/discount.rb
index 3807a8cfc..5dcf1f125 100644
--- a/app/models/form/sales/questions/discount.rb
+++ b/app/models/form/sales/questions/discount.rb
@@ -3,7 +3,6 @@ class Form::Sales::Questions::Discount < ::Form::Question
     super
     @id = "discount"
     @type = "numeric"
-    @copy_key = "sales.sale_information.discount"
     @min = 0
     @max = form.start_year_2024_or_later? ? 70 : 100
     @step = 0.1
diff --git a/app/models/form/sales/questions/equity.rb b/app/models/form/sales/questions/equity.rb
index 4aae785b8..7a2a4ce5b 100644
--- a/app/models/form/sales/questions/equity.rb
+++ b/app/models/form/sales/questions/equity.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::Equity < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "equity"
-    @copy_key = "sales.sale_information.equity"
     @type = "numeric"
     @min = 0
     @max = 100
diff --git a/app/models/form/sales/questions/extra_borrowing.rb b/app/models/form/sales/questions/extra_borrowing.rb
index e3cd0ff7e..2ad13ef5d 100644
--- a/app/models/form/sales/questions/extra_borrowing.rb
+++ b/app/models/form/sales/questions/extra_borrowing.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::ExtraBorrowing < ::Form::Question
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @id = "extrabor"
-    @copy_key = "sales.sale_information.extrabor"
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
     @page = page
diff --git a/app/models/form/sales/questions/fromprop.rb b/app/models/form/sales/questions/fromprop.rb
index 1a3393b7a..dec591cd0 100644
--- a/app/models/form/sales/questions/fromprop.rb
+++ b/app/models/form/sales/questions/fromprop.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::Fromprop < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "fromprop"
-    @copy_key = "sales.sale_information.fromprop"
     @type = "radio"
     @page = page
     @answer_options = ANSWER_OPTIONS
diff --git a/app/models/form/sales/questions/grant.rb b/app/models/form/sales/questions/grant.rb
index 17361fe9c..f069fedd2 100644
--- a/app/models/form/sales/questions/grant.rb
+++ b/app/models/form/sales/questions/grant.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::Grant < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "grant"
-    @copy_key = "sales.sale_information.grant"
     @type = "numeric"
     @min = 0
     @max = 999_999
diff --git a/app/models/form/sales/questions/monthly_rent.rb b/app/models/form/sales/questions/monthly_rent.rb
index 7e64d8571..8e9ecfaef 100644
--- a/app/models/form/sales/questions/monthly_rent.rb
+++ b/app/models/form/sales/questions/monthly_rent.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::MonthlyRent < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "mrent"
-    @copy_key = "sales.sale_information.mrent"
     @type = "numeric"
     @min = 0
     @step = 0.01
diff --git a/app/models/form/sales/questions/mortgage_amount.rb b/app/models/form/sales/questions/mortgage_amount.rb
index a6ffcf26a..e0677ee18 100644
--- a/app/models/form/sales/questions/mortgage_amount.rb
+++ b/app/models/form/sales/questions/mortgage_amount.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::MortgageAmount < ::Form::Question
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @id = "mortgage"
-    @copy_key = "sales.sale_information.mortgage"
     @type = "numeric"
     @min = 1
     @step = 1
diff --git a/app/models/form/sales/questions/mortgage_lender.rb b/app/models/form/sales/questions/mortgage_lender.rb
index a4aa55f17..96bf9e5b3 100644
--- a/app/models/form/sales/questions/mortgage_lender.rb
+++ b/app/models/form/sales/questions/mortgage_lender.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::MortgageLender < ::Form::Question
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @id = "mortgagelender"
-    @copy_key = "sales.sale_information.mortgagelender"
     @type = "select"
     @page = page
     @bottom_guidance_partial = "mortgage_lender"
diff --git a/app/models/form/sales/questions/mortgage_lender_other.rb b/app/models/form/sales/questions/mortgage_lender_other.rb
index 49876efb0..8cd5de8fb 100644
--- a/app/models/form/sales/questions/mortgage_lender_other.rb
+++ b/app/models/form/sales/questions/mortgage_lender_other.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::MortgageLenderOther < ::Form::Question
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @id = "mortgagelenderother"
-    @copy_key = "sales.sale_information.mortgagelenderother"
     @type = "text"
     @page = page
     @ownershipsch = ownershipsch
diff --git a/app/models/form/sales/questions/mortgage_length.rb b/app/models/form/sales/questions/mortgage_length.rb
index 877818b98..5d94fc832 100644
--- a/app/models/form/sales/questions/mortgage_length.rb
+++ b/app/models/form/sales/questions/mortgage_length.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::MortgageLength < ::Form::Question
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @id = "mortlen"
-    @copy_key = "sales.sale_information.mortlen"
     @type = "numeric"
     @min = 0
     @max = 60
diff --git a/app/models/form/sales/questions/mortgageused.rb b/app/models/form/sales/questions/mortgageused.rb
index e4a101072..3c3c42840 100644
--- a/app/models/form/sales/questions/mortgageused.rb
+++ b/app/models/form/sales/questions/mortgageused.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::Mortgageused < ::Form::Question
   def initialize(id, hsh, subsection, ownershipsch:)
     super(id, hsh, subsection)
     @id = "mortgageused"
-    @copy_key = "sales.sale_information.mortgageused"
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
     @ownershipsch = ownershipsch
diff --git a/app/models/form/sales/questions/previous_bedrooms.rb b/app/models/form/sales/questions/previous_bedrooms.rb
index d29da208a..dd243137d 100644
--- a/app/models/form/sales/questions/previous_bedrooms.rb
+++ b/app/models/form/sales/questions/previous_bedrooms.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::PreviousBedrooms < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "frombeds"
-    @copy_key = "sales.sale_information.frombeds"
     @type = "numeric"
     @width = 5
     @min = 1
diff --git a/app/models/form/sales/questions/previous_tenure.rb b/app/models/form/sales/questions/previous_tenure.rb
index 55b103f0d..794d449b5 100644
--- a/app/models/form/sales/questions/previous_tenure.rb
+++ b/app/models/form/sales/questions/previous_tenure.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::PreviousTenure < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "socprevten"
-    @copy_key = "sales.sale_information.socprevten"
     @type = "radio"
     @page = page
     @answer_options = ANSWER_OPTIONS
diff --git a/app/models/form/sales/questions/privacy_notice.rb b/app/models/form/sales/questions/privacy_notice.rb
index 5e73e7a3a..ace2c9ec1 100644
--- a/app/models/form/sales/questions/privacy_notice.rb
+++ b/app/models/form/sales/questions/privacy_notice.rb
@@ -2,7 +2,7 @@ class Form::Sales::Questions::PrivacyNotice < ::Form::Question
   def initialize(id, hsh, page, joint_purchase:)
     super(id, hsh, page)
     @id = "privacynotice"
-    @copy_key = "sales.#{subsection.id}.privacynotice.#{joint_purchase ? 'joint_purchase' : 'not_joint_purchase'}"
+    @copy_key = "sales.#{subsection.copy_key}.privacynotice.#{joint_purchase ? 'joint_purchase' : 'not_joint_purchase'}"
     @type = "checkbox"
     @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
     @joint_purchase = joint_purchase
diff --git a/app/models/form/sales/questions/resale.rb b/app/models/form/sales/questions/resale.rb
index 0026adb48..2417960b4 100644
--- a/app/models/form/sales/questions/resale.rb
+++ b/app/models/form/sales/questions/resale.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::Resale < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "resale"
-    @copy_key = "sales.sale_information.resale"
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
     @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
diff --git a/app/models/form/sales/questions/value.rb b/app/models/form/sales/questions/value.rb
index 257344fa2..1d258899d 100644
--- a/app/models/form/sales/questions/value.rb
+++ b/app/models/form/sales/questions/value.rb
@@ -2,7 +2,6 @@ class Form::Sales::Questions::Value < ::Form::Question
   def initialize(id, hsh, page)
     super
     @id = "value"
-    @copy_key = "sales.sale_information.value"
     @type = "numeric"
     @min = 0
     @step = 1
diff --git a/app/models/form/sales/subsections/discounted_ownership_scheme.rb b/app/models/form/sales/subsections/discounted_ownership_scheme.rb
index 63ce4af47..c74dcd262 100644
--- a/app/models/form/sales/subsections/discounted_ownership_scheme.rb
+++ b/app/models/form/sales/subsections/discounted_ownership_scheme.rb
@@ -4,6 +4,7 @@ class Form::Sales::Subsections::DiscountedOwnershipScheme < ::Form::Subsection
     @id = "discounted_ownership_scheme"
     @label = "Discounted ownership scheme"
     @depends_on = [{ "ownershipsch" => 2, "setup_completed?" => true }]
+    @copy_key = "sale_information"
   end
 
   def pages
diff --git a/app/models/form/sales/subsections/outright_sale.rb b/app/models/form/sales/subsections/outright_sale.rb
index af63c8179..afa0f4a69 100644
--- a/app/models/form/sales/subsections/outright_sale.rb
+++ b/app/models/form/sales/subsections/outright_sale.rb
@@ -4,6 +4,7 @@ class Form::Sales::Subsections::OutrightSale < ::Form::Subsection
     @id = "outright_sale"
     @label = "Outright sale"
     @depends_on = [{ "ownershipsch" => 3, "setup_completed?" => true }]
+    @copy_key = "sale_information"
   end
 
   def pages
diff --git a/spec/models/form/lettings/questions/homeless_spec.rb b/spec/models/form/lettings/questions/homeless_spec.rb
index f18a8ece7..7f2c1b054 100644
--- a/spec/models/form/lettings/questions/homeless_spec.rb
+++ b/spec/models/form/lettings/questions/homeless_spec.rb
@@ -28,10 +28,6 @@ RSpec.describe Form::Lettings::Questions::Homeless, type: :model do
     })
   end
 
-  it "has no hint text" do
-    expect(question.hint_text).to be_empty
-  end
-
   it "has the correct check_answers_card_number" do
     expect(question.check_answers_card_number).to eq(0)
   end
diff --git a/spec/models/form/page_spec.rb b/spec/models/form/page_spec.rb
index 9315fb237..3ec929fc4 100644
--- a/spec/models/form/page_spec.rb
+++ b/spec/models/form/page_spec.rb
@@ -9,7 +9,7 @@ RSpec.describe Form::Page, type: :model do
   let(:enabled) { true }
   let(:depends_on_met) { true }
   let(:form) { instance_double(Form, depends_on_met:, type: "form-type", start_date: Time.utc(2024, 12, 25)) }
-  let(:subsection) { instance_double(Form::Subsection, depends_on:, enabled?: enabled, form:, id: "subsection-id") }
+  let(:subsection) { instance_double(Form::Subsection, depends_on:, enabled?: enabled, form:, id: "subsection-id", copy_key: "subsection-copy-key") }
   let(:page_id) { "net_income" }
   let(:questions) { [["earnings", { "conditional_for" => { "age1": nil }, "type" => "radio" }], %w[incfreq]] }
   let(:page_definition) do
@@ -25,7 +25,7 @@ RSpec.describe Form::Page, type: :model do
   end
 
   it "sets copy_key in the default style" do
-    expect(page.copy_key).to eq("#{form.type}.#{subsection.id}.#{questions[0][0]}")
+    expect(page.copy_key).to eq("#{form.type}.#{subsection.copy_key}.#{questions[0][0]}")
   end
 
   context "when header is not provided" do
diff --git a/spec/models/form/question_spec.rb b/spec/models/form/question_spec.rb
index 651d167bd..8b9ab7a85 100644
--- a/spec/models/form/question_spec.rb
+++ b/spec/models/form/question_spec.rb
@@ -15,7 +15,7 @@ RSpec.describe Form::Question, type: :model do
   let(:inferred_check_answers_value) { [{ "condition" => { "postcode_known" => 0 }, "value" => "Weekly" }] }
 
   let(:form) { instance_double(Form, depends_on_met:, conditional_question_conditions:, type: "form-type", start_date: Time.utc(2024, 12, 25)) }
-  let(:subsection) { instance_double(Form::Subsection, form:, id: "subsection-id") }
+  let(:subsection) { instance_double(Form::Subsection, form:, id: "subsection-id", copy_key: "subsection-copy-key") }
   let(:page) { instance_double(Form::Page, subsection:, routed_to?: true, questions: form_questions) }
   let(:question_id) { "earnings" }
   let(:question_definition) do
@@ -39,7 +39,7 @@ RSpec.describe Form::Question, type: :model do
   end
 
   it "sets copy_key in the default style" do
-    expect(question.copy_key).to eq("#{form.type}.#{subsection.id}.#{question_id}")
+    expect(question.copy_key).to eq("#{form.type}.#{subsection.copy_key}.#{question_id}")
   end
 
   context "when copy is not provided" do
diff --git a/spec/models/form/sales/pages/buyer_interview_spec.rb b/spec/models/form/sales/pages/buyer_interview_spec.rb
index f7c6bbb70..ea707a0fe 100644
--- a/spec/models/form/sales/pages/buyer_interview_spec.rb
+++ b/spec/models/form/sales/pages/buyer_interview_spec.rb
@@ -6,7 +6,7 @@ RSpec.describe Form::Sales::Pages::BuyerInterview, type: :model do
   let(:page_id) { "buyer_interview" }
   let(:page_definition) { nil }
   let(:form) { instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2024_or_later?: false) }
-  let(:subsection) { instance_double(Form::Subsection, form:, id: "setup") }
+  let(:subsection) { instance_double(Form::Subsection, form:, id: "setup", copy_key: "subsection_copy_key") }
 
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
@@ -24,43 +24,23 @@ RSpec.describe Form::Sales::Pages::BuyerInterview, type: :model do
     expect(page.description).to be_nil
   end
 
-  context "when form is before 2024" do
-    let(:subsection) { instance_double(Form::Subsection, form:, id: "household_characteristics") }
+  context "when there are joint buyers" do
+    subject(:page) { described_class.new(page_id, page_definition, subsection, joint_purchase: true) }
 
-    context "when there are joint buyers" do
-      subject(:page) { described_class.new(page_id, page_definition, subsection, joint_purchase: true) }
+    let(:subsection) { instance_double(Form::Subsection, form:, copy_key: "subsection_copy_key") }
 
-      it "has the expected copy_key" do
-        expect(page.copy_key).to eq("sales.household_characteristics.noint.joint_purchase")
-      end
-    end
-
-    context "when there is a single buyer" do
-      subject(:page) { described_class.new(page_id, page_definition, subsection, joint_purchase: false) }
-
-      it "has the expected copy_key" do
-        expect(page.copy_key).to eq("sales.household_characteristics.noint.not_joint_purchase")
-      end
+    it "has the expected copy_key" do
+      expect(page.copy_key).to eq("sales.subsection_copy_key.noint.joint_purchase")
     end
   end
 
-  context "when form is after 2024" do
-    let(:form) { instance_double(Form, start_date: Time.zone.local(2024, 4, 1), start_year_2024_or_later?: true) }
-
-    context "when there are joint buyers" do
-      subject(:page) { described_class.new(page_id, page_definition, subsection, joint_purchase: true) }
-
-      it "has the expected copy_key" do
-        expect(page.copy_key).to eq("sales.setup.noint.joint_purchase")
-      end
-    end
+  context "when there is a single buyer" do
+    subject(:page) { described_class.new(page_id, page_definition, subsection, joint_purchase: false) }
 
-    context "when there is a single buyer" do
-      subject(:page) { described_class.new(page_id, page_definition, subsection, joint_purchase: false) }
+    let(:subsection) { instance_double(Form::Subsection, form:, copy_key: "subsection_copy_key") }
 
-      it "has the expected copy_key" do
-        expect(page.copy_key).to eq("sales.setup.noint.not_joint_purchase")
-      end
+    it "has the expected copy_key" do
+      expect(page.copy_key).to eq("sales.subsection_copy_key.noint.not_joint_purchase")
     end
   end
 end
diff --git a/spec/models/form/sales/pages/privacy_notice_spec.rb b/spec/models/form/sales/pages/privacy_notice_spec.rb
index 80be7ae66..8b21e7b9e 100644
--- a/spec/models/form/sales/pages/privacy_notice_spec.rb
+++ b/spec/models/form/sales/pages/privacy_notice_spec.rb
@@ -5,7 +5,7 @@ RSpec.describe Form::Sales::Pages::PrivacyNotice, type: :model do
 
   let(:page_id) { "privacy_notice" }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, id: "setup") }
+  let(:subsection) { instance_double(Form::Subsection, id: "setup", copy_key: "setup") }
   let(:form) { instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2024_or_later?: false) }
 
   before do
@@ -31,20 +31,10 @@ RSpec.describe Form::Sales::Pages::PrivacyNotice, type: :model do
   context "when there are joint buyers" do
     subject(:page) { described_class.new(page_id, page_definition, subsection, joint_purchase: true) }
 
-    context "when the form start year is before 2024" do
-      let(:subsection) { instance_double(Form::Subsection, id: "household_characteristics") }
+    let(:subsection) { instance_double(Form::Subsection, id: "subsection_id", copy_key: "subsection_copy_key") }
 
-      it "has the expected copy_key" do
-        expect(page.copy_key).to eq("sales.household_characteristics.privacynotice.joint_purchase")
-      end
-    end
-
-    context "when the form start year is after 2024" do
-      let(:form) { instance_double(Form, start_date: Time.zone.local(2024, 4, 1), start_year_2024_or_later?: true) }
-
-      it "has the expected copy_key" do
-        expect(page.copy_key).to eq("sales.setup.privacynotice.joint_purchase")
-      end
+    it "has the expected copy_key" do
+      expect(page.copy_key).to eq("sales.subsection_copy_key.privacynotice.joint_purchase")
     end
 
     it "has correct depends_on" do
@@ -55,20 +45,10 @@ RSpec.describe Form::Sales::Pages::PrivacyNotice, type: :model do
   context "when there is a single buyer" do
     subject(:page) { described_class.new(page_id, page_definition, subsection, joint_purchase: false) }
 
-    context "when the form start year is before 2024" do
-      let(:subsection) { instance_double(Form::Subsection, id: "household_characteristics") }
-
-      it "has the expected copy_key" do
-        expect(page.copy_key).to eq("sales.household_characteristics.privacynotice.not_joint_purchase")
-      end
-    end
-
-    context "when the form start year is after 2024" do
-      let(:form) { instance_double(Form, start_date: Time.zone.local(2024, 4, 1), start_year_2024_or_later?: true) }
+    let(:subsection) { instance_double(Form::Subsection, id: "subsection_id", copy_key: "subsection_copy_key") }
 
-      it "has the expected copy_key" do
-        expect(page.copy_key).to eq("sales.setup.privacynotice.not_joint_purchase")
-      end
+    it "has the expected copy_key" do
+      expect(page.copy_key).to eq("sales.subsection_copy_key.privacynotice.not_joint_purchase")
     end
 
     it "has correct depends_on" do
diff --git a/spec/models/form/sales/questions/buyer_interview_spec.rb b/spec/models/form/sales/questions/buyer_interview_spec.rb
index 0db43407f..e812f6146 100644
--- a/spec/models/form/sales/questions/buyer_interview_spec.rb
+++ b/spec/models/form/sales/questions/buyer_interview_spec.rb
@@ -6,7 +6,8 @@ RSpec.describe Form::Sales::Questions::BuyerInterview, type: :model do
   let(:question_id) { nil }
   let(:question_definition) { nil }
   let(:form) { instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2024_or_later?: true) }
-  let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, form:, id: "setup")) }
+  let(:subsection) { instance_double(Form::Subsection, form:, copy_key: "setup") }
+  let(:page) { instance_double(Form::Page, subsection:) }
 
   it "has correct page" do
     expect(question.page).to eq(page)
@@ -34,42 +35,20 @@ RSpec.describe Form::Sales::Questions::BuyerInterview, type: :model do
   context "when there are joint buyers" do
     subject(:question) { described_class.new(question_id, question_definition, page, joint_purchase: true) }
 
-    context "when the form start year is before 2024" do
-      let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, form:, id: "household_characteristics")) }
-      let(:form) { instance_double(Form, start_date: Time.zone.local(2024, 3, 1), start_year_2024_or_later?: false) }
+    let(:subsection) { instance_double(Form::Subsection, form:, copy_key: "subsection_copy_key") }
 
-      it "has the expected copy_key" do
-        expect(question.copy_key).to eq("sales.household_characteristics.noint.joint_purchase")
-      end
-    end
-
-    context "when the form start year is after 2024" do
-      let(:form) { instance_double(Form, start_date: Time.zone.local(2024, 4, 1), start_year_2024_or_later?: true) }
-
-      it "has the expected copy_key" do
-        expect(question.copy_key).to eq("sales.setup.noint.joint_purchase")
-      end
+    it "has the expected copy_key" do
+      expect(question.copy_key).to eq("sales.subsection_copy_key.noint.joint_purchase")
     end
   end
 
   context "when there is a single buyer" do
     subject(:question) { described_class.new(question_id, question_definition, page, joint_purchase: false) }
 
-    context "when the form start year is before 2024" do
-      let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, form:, id: "household_characteristics")) }
-      let(:form) { instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2024_or_later?: false) }
-
-      it "has the expected copy_key" do
-        expect(question.copy_key).to eq("sales.household_characteristics.noint.not_joint_purchase")
-      end
-    end
-
-    context "when the form start year is after 2024" do
-      let(:form) { instance_double(Form, start_date: Time.zone.local(2024, 4, 1), start_year_2024_or_later?: true) }
+    let(:subsection) { instance_double(Form::Subsection, form:, copy_key: "subsection_copy_key") }
 
-      it "has the expected copy_key" do
-        expect(question.copy_key).to eq("sales.setup.noint.not_joint_purchase")
-      end
+    it "has the expected copy_key" do
+      expect(question.copy_key).to eq("sales.subsection_copy_key.noint.not_joint_purchase")
     end
   end
 end
diff --git a/spec/models/form/sales/questions/privacy_notice_spec.rb b/spec/models/form/sales/questions/privacy_notice_spec.rb
index 5f764c7af..f279c6bf9 100644
--- a/spec/models/form/sales/questions/privacy_notice_spec.rb
+++ b/spec/models/form/sales/questions/privacy_notice_spec.rb
@@ -6,7 +6,7 @@ RSpec.describe Form::Sales::Questions::PrivacyNotice, type: :model do
   let(:question_id) { nil }
   let(:question_definition) { nil }
   let(:page) { instance_double(Form::Page) }
-  let(:subsection) { instance_double(Form::Subsection, id: "setup") }
+  let(:subsection) { instance_double(Form::Subsection, id: "setup", copy_key: "setup") }
   let(:form) { instance_double(Form, start_date: Time.zone.local(2023, 4, 1)) }
 
   before do
@@ -32,7 +32,7 @@ RSpec.describe Form::Sales::Questions::PrivacyNotice, type: :model do
   end
 
   context "when the form year is before 2024" do
-    let(:subsection) { instance_double(Form::Subsection, id: "household_characteristics") }
+    let(:subsection) { instance_double(Form::Subsection, id: "household_characteristics", copy_key: "household_characteristics") }
 
     before do
       allow(form).to receive(:start_year_2024_or_later?).and_return(false)
diff --git a/spec/models/form/sales/questions/uprn_confirmation_spec.rb b/spec/models/form/sales/questions/uprn_confirmation_spec.rb
index 0e54155b6..c6f7fd723 100644
--- a/spec/models/form/sales/questions/uprn_confirmation_spec.rb
+++ b/spec/models/form/sales/questions/uprn_confirmation_spec.rb
@@ -25,10 +25,6 @@ RSpec.describe Form::Sales::Questions::UprnConfirmation, type: :model do
     expect(question.derived?(nil)).to be false
   end
 
-  it "has the correct unanswered_error_message" do
-    expect(question.unanswered_error_message).to eq("You must answer #{format_ending(I18n.t('forms.2023.sales.property_information.uprn_confirmed.check_answer_label'))}")
-  end
-
   describe "notification_banner" do
     context "when address is not present" do
       it "returns nil" do
diff --git a/spec/models/form/sales/subsections/discounted_ownership_scheme_spec.rb b/spec/models/form/sales/subsections/discounted_ownership_scheme_spec.rb
index a573103a3..3fa57571b 100644
--- a/spec/models/form/sales/subsections/discounted_ownership_scheme_spec.rb
+++ b/spec/models/form/sales/subsections/discounted_ownership_scheme_spec.rb
@@ -56,6 +56,10 @@ RSpec.describe Form::Sales::Subsections::DiscountedOwnershipScheme, type: :model
     expect(discounted_ownership_scheme.id).to eq("discounted_ownership_scheme")
   end
 
+  it "has the correct copy key" do
+    expect(discounted_ownership_scheme.copy_key).to eq("sale_information")
+  end
+
   it "has the correct label" do
     expect(discounted_ownership_scheme.label).to eq("Discounted ownership scheme")
   end
diff --git a/spec/models/form/sales/subsections/outright_sale_spec.rb b/spec/models/form/sales/subsections/outright_sale_spec.rb
index 52941d0a9..b91553939 100644
--- a/spec/models/form/sales/subsections/outright_sale_spec.rb
+++ b/spec/models/form/sales/subsections/outright_sale_spec.rb
@@ -109,6 +109,10 @@ RSpec.describe Form::Sales::Subsections::OutrightSale, type: :model do
     expect(outright_sale.id).to eq("outright_sale")
   end
 
+  it "has the correct copy key" do
+    expect(outright_sale.copy_key).to eq("sale_information")
+  end
+
   it "has the correct label" do
     expect(outright_sale.label).to eq("Outright sale")
   end
diff --git a/spec/models/form/sales/subsections/shared_ownership_scheme_spec.rb b/spec/models/form/sales/subsections/shared_ownership_scheme_spec.rb
index 4c546d58c..51e2ee60d 100644
--- a/spec/models/form/sales/subsections/shared_ownership_scheme_spec.rb
+++ b/spec/models/form/sales/subsections/shared_ownership_scheme_spec.rb
@@ -65,6 +65,10 @@ RSpec.describe Form::Sales::Subsections::SharedOwnershipScheme, type: :model do
     expect(shared_ownership_scheme.id).to eq("shared_ownership_scheme")
   end
 
+  it "has the correct copy key" do
+    expect(shared_ownership_scheme.copy_key).to eq("sale_information")
+  end
+
   it "has the correct label" do
     expect(shared_ownership_scheme.label).to eq("Shared ownership scheme")
   end
diff --git a/spec/models/form/subsection_spec.rb b/spec/models/form/subsection_spec.rb
index 8a4b9d3d7..0215e51dc 100644
--- a/spec/models/form/subsection_spec.rb
+++ b/spec/models/form/subsection_spec.rb
@@ -19,6 +19,10 @@ RSpec.describe Form::Subsection, type: :model do
     expect(subsection.id).to eq(subsection_id)
   end
 
+  it "has a copy_key defaulting to the id" do
+    expect(subsection.copy_key).to eq(subsection_id)
+  end
+
   it "has a label" do
     expect(subsection.label).to eq("Household characteristics")
   end