diff --git a/app/services/bulk_upload/sales/year2023/row_parser.rb b/app/services/bulk_upload/sales/year2023/row_parser.rb
index 7ab51ef12..efe100680 100644
--- a/app/services/bulk_upload/sales/year2023/row_parser.rb
+++ b/app/services/bulk_upload/sales/year2023/row_parser.rb
@@ -407,6 +407,15 @@ class BulkUpload::Sales::Year2023::RowParser
 
 private
 
+  def prevtenbuy2
+    case field_72
+    when "R"
+      0
+    else
+      field_72
+    end
+  end
+
   def infer_buyer2_ethnic_group_from_ethnic
     case field_40
     when 1, 2, 3, 18
@@ -757,6 +766,7 @@ private
     attributes["nationalbuy2"] = field_41
 
     attributes["buy2living"] = field_71
+    attributes["prevtenbuy2"] = prevtenbuy2
 
     attributes
   end
diff --git a/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb b/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb
index a90fc07e8..d1fc40e48 100644
--- a/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb
+++ b/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb
@@ -659,5 +659,13 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
         expect(parser.log.buy2living).to be(1)
       end
     end
+
+    describe "#prevtenbuy2" do
+      let(:attributes) { setup_section_params.merge({ field_72: "R" }) }
+
+      it "is correctly set" do
+        expect(parser.log.prevtenbuy2).to be(0)
+      end
+    end
   end
 end