diff --git a/app/models/form/lettings/pages/stock_owner.rb b/app/models/form/lettings/pages/stock_owner.rb
index dee5d5f71..07fe01327 100644
--- a/app/models/form/lettings/pages/stock_owner.rb
+++ b/app/models/form/lettings/pages/stock_owner.rb
@@ -14,10 +14,14 @@ class Form::Lettings::Pages::StockOwner < ::Form::Page
     return false unless current_user
     return true if current_user.support?
 
-    stock_owners = current_user.organisation.stock_owners + current_user.organisation.absorbed_organisations.where(holds_own_stock: true)
+    stock_owners = if FeatureToggle.merge_organisations_enabled?
+                     current_user.organisation.stock_owners + current_user.organisation.absorbed_organisations.where(holds_own_stock: true)
+                   else
+                     current_user.organisation.stock_owners
+                   end
 
     if current_user.organisation.holds_own_stock?
-      if current_user.organisation.absorbed_organisations.any?(&:holds_own_stock?)
+      if FeatureToggle.merge_organisations_enabled? && current_user.organisation.absorbed_organisations.any?(&:holds_own_stock?)
         return true
       end
       return true if stock_owners.count >= 1
diff --git a/app/models/form/lettings/questions/stock_owner.rb b/app/models/form/lettings/questions/stock_owner.rb
index ef01e6538..8fc42e66d 100644
--- a/app/models/form/lettings/questions/stock_owner.rb
+++ b/app/models/form/lettings/questions/stock_owner.rb
@@ -49,7 +49,11 @@ class Form::Lettings::Questions::StockOwner < ::Form::Question
   def hidden_in_check_answers?(_log, user = nil)
     return false if user.support?
 
-    stock_owners = user.organisation.stock_owners + user.organisation.absorbed_organisations.where(holds_own_stock: true)
+    stock_owners = if FeatureToggle.merge_organisations_enabled?
+                     user.organisation.stock_owners + user.organisation.absorbed_organisations.where(holds_own_stock: true)
+                   else
+                     user.organisation.stock_owners
+                   end
 
     if user.organisation.holds_own_stock?
       stock_owners.count.zero?
diff --git a/app/models/form/sales/pages/organisation.rb b/app/models/form/sales/pages/organisation.rb
index 8f6728821..c5dc22733 100644
--- a/app/models/form/sales/pages/organisation.rb
+++ b/app/models/form/sales/pages/organisation.rb
@@ -11,25 +11,29 @@ class Form::Sales::Pages::Organisation < ::Form::Page
   end
 
   def routed_to?(log, current_user)
-    return false unless current_user
-    return true if current_user.support?
+    if FeatureToggle.merge_organisations_enabled?
+      return false unless current_user
+      return true if current_user.support?
 
-    stock_owners = current_user.organisation.stock_owners + current_user.organisation.absorbed_organisations.where(holds_own_stock: true)
+      stock_owners = current_user.organisation.stock_owners + current_user.organisation.absorbed_organisations.where(holds_own_stock: true)
 
-    if current_user.organisation.holds_own_stock?
-      if current_user.organisation.absorbed_organisations.any?(&:holds_own_stock?)
-        return true
+      if current_user.organisation.holds_own_stock?
+        if current_user.organisation.absorbed_organisations.any?(&:holds_own_stock?)
+          return true
+        end
+        return true if stock_owners.count >= 1
+
+        log.update!(owning_organisation: current_user.organisation)
+      else
+        return false if stock_owners.count.zero?
+        return true if stock_owners.count > 1
+
+        log.update!(owning_organisation: stock_owners.first)
       end
-      return true if stock_owners.count >= 1
 
-      log.update!(owning_organisation: current_user.organisation)
+      false
     else
-      return false if stock_owners.count.zero?
-      return true if stock_owners.count > 1
-
-      log.update!(owning_organisation: stock_owners.first)
+      !!current_user&.support?
     end
-
-    false
   end
 end
diff --git a/app/models/form/sales/questions/owning_organisation_id.rb b/app/models/form/sales/questions/owning_organisation_id.rb
index 0db5ec1a0..1643887d2 100644
--- a/app/models/form/sales/questions/owning_organisation_id.rb
+++ b/app/models/form/sales/questions/owning_organisation_id.rb
@@ -11,24 +11,32 @@ class Form::Sales::Questions::OwningOrganisationId < ::Form::Question
     answer_opts = { "" => "Select an option" }
 
     return answer_opts unless ActiveRecord::Base.connected?
-    return answer_opts unless user
-    return answer_opts unless log
 
-    if log.owning_organisation_id.present?
-      answer_opts = answer_opts.merge({ log.owning_organisation.id => log.owning_organisation.name })
-    end
+    if FeatureToggle.merge_organisations_enabled?
+      return answer_opts unless user
+      return answer_opts unless log
 
-    if !user.support? && user.organisation.holds_own_stock?
-      answer_opts[user.organisation.id] = "#{user.organisation.name} (Your organisation)"
-    end
+      if log.owning_organisation_id.present?
+        answer_opts = answer_opts.merge({ log.owning_organisation.id => log.owning_organisation.name })
+      end
+
+      if !user.support? && user.organisation.holds_own_stock?
+        answer_opts[user.organisation.id] = "#{user.organisation.name} (Your organisation)"
+      end
 
-    user_answer_options = if user.support?
-                            Organisation.where(holds_own_stock: true)
-                          else
-                            user.organisation.stock_owners + user.organisation.absorbed_organisations.where(holds_own_stock: true)
-                          end.pluck(:id, :name).to_h
+      user_answer_options = if user.support?
+                              Organisation.where(holds_own_stock: true)
+                            else
+                              user.organisation.stock_owners + user.organisation.absorbed_organisations.where(holds_own_stock: true)
+                            end.pluck(:id, :name).to_h
 
-    answer_opts.merge(user_answer_options)
+      answer_opts.merge(user_answer_options)
+    else
+      Organisation.select(:id, :name).each_with_object(answer_opts) do |organisation, hsh|
+        hsh[organisation.id] = organisation.name
+        hsh
+      end
+    end
   end
 
   def displayed_answer_options(log, user = nil)
@@ -46,14 +54,18 @@ class Form::Sales::Questions::OwningOrganisationId < ::Form::Question
   end
 
   def hidden_in_check_answers?(_log, user = nil)
-    return false if user.support?
+    if FeatureToggle.merge_organisations_enabled?
+      return false if user.support?
 
-    stock_owners = user.organisation.stock_owners + user.organisation.absorbed_organisations.where(holds_own_stock: true)
+      stock_owners = user.organisation.stock_owners + user.organisation.absorbed_organisations.where(holds_own_stock: true)
 
-    if user.organisation.holds_own_stock?
-      stock_owners.count.zero?
+      if user.organisation.holds_own_stock?
+        stock_owners.count.zero?
+      else
+        stock_owners.count <= 1
+      end
     else
-      stock_owners.count <= 1
+      !current_user.support?
     end
   end
 
@@ -64,6 +76,6 @@ class Form::Sales::Questions::OwningOrganisationId < ::Form::Question
 private
 
   def selected_answer_option_is_derived?(_log)
-    true
+    FeatureToggle.merge_organisations_enabled? ? true : false
   end
 end