diff --git a/app/services/bulk_upload/lettings/year2024/row_parser.rb b/app/services/bulk_upload/lettings/year2024/row_parser.rb
index 28cfc1ca8..0c5e57ce8 100644
--- a/app/services/bulk_upload/lettings/year2024/row_parser.rb
+++ b/app/services/bulk_upload/lettings/year2024/row_parser.rb
@@ -651,10 +651,11 @@ private
   end
 
   def validate_lettings_allocation
-    if cbl.blank? && cap.blank? && chr.blank?
+    if cbl.blank? && cap.blank? && chr.blank? && accessible_register.blank?
       errors.add(:field_112, I18n.t("validations.not_answered", question: "was the letting made under the Choice-Based Lettings (CBL)?"))
       errors.add(:field_113, I18n.t("validations.not_answered", question: "was the letting made under the Common Allocation Policy (CAP)?"))
       errors.add(:field_114, I18n.t("validations.not_answered", question: "was the letting made under the Common Housing Register (CHR)?"))
+      errors.add(:field_115, I18n.t("validations.not_answered", question: "was the letting made under the Accessible Register?"))
     end
   end
 
@@ -947,7 +948,7 @@ private
       cbl: %i[field_112],
       chr: %i[field_114],
       cap: %i[field_113],
-      letting_allocation: %i[field_112 field_113 field_114],
+      letting_allocation: %i[field_112 field_113 field_114 field_115],
 
       referral: %i[field_116],
 
@@ -1401,7 +1402,7 @@ private
   end
 
   def letting_allocation_unknown
-    [cbl, chr, cap].all?(0) ? 1 : 0
+    [cbl, chr, cap, accessible_register].all?(0) ? 1 : 0
   end
 
   def net_income_known