diff --git a/app/services/bulk_upload/sales/year2024/row_parser.rb b/app/services/bulk_upload/sales/year2024/row_parser.rb
index 443d5e665..f33bfb5fa 100644
--- a/app/services/bulk_upload/sales/year2024/row_parser.rb
+++ b/app/services/bulk_upload/sales/year2024/row_parser.rb
@@ -375,6 +375,7 @@ class BulkUpload::Sales::Year2024::RowParser
               greater_than_or_equal_to: 0,
               less_than_or_equal_to: 70,
               if: :discounted_ownership?,
+              allow_blank: true,
             },
             on: :before_log
 
diff --git a/app/services/bulk_upload/sales/year2025/row_parser.rb b/app/services/bulk_upload/sales/year2025/row_parser.rb
index 510feabb1..ee97d6776 100644
--- a/app/services/bulk_upload/sales/year2025/row_parser.rb
+++ b/app/services/bulk_upload/sales/year2025/row_parser.rb
@@ -373,6 +373,7 @@ class BulkUpload::Sales::Year2025::RowParser
               greater_than_or_equal_to: 0,
               less_than_or_equal_to: 70,
               if: :discounted_ownership?,
+              allow_blank: true,
             },
             on: :before_log