diff --git a/app/services/bulk_upload/lettings/year2024/row_parser.rb b/app/services/bulk_upload/lettings/year2024/row_parser.rb
index e03fd4817..8b5fe8f3c 100644
--- a/app/services/bulk_upload/lettings/year2024/row_parser.rb
+++ b/app/services/bulk_upload/lettings/year2024/row_parser.rb
@@ -1192,7 +1192,7 @@ private
     attributes["layear"] = field_96
     attributes["waityear"] = field_97
     attributes["reason"] = field_98
-    attributes["reasonother"] = field_99
+    attributes["reasonother"] = field_99 if reason_is_other?
     attributes["prevten"] = field_100
     attributes["homeless"] = field_101
 
@@ -1570,4 +1570,8 @@ private
   def is_carehome
     field_124.present? ? 1 : 0
   end
+
+  def reason_is_other?
+    field_98 == 20
+  end
 end
diff --git a/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb b/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb
index cd398dabd..f99052d99 100644
--- a/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb
+++ b/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb
@@ -2223,10 +2223,20 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
     end
 
     describe "#reasonother" do
-      let(:attributes) { { bulk_upload:, field_99: "some other reason" } }
+      context "when reason is 'other'" do
+        let(:attributes) { { bulk_upload:, field_98: "20", field_99: "some other reason" } }
 
-      it "sets value to given free text string" do
-        expect(parser.log.reasonother).to eql("some other reason")
+        it "is set to given free text string" do
+          expect(parser.log.reasonother).to eql("some other reason")
+        end
+      end
+
+      context "when reason is not 'other'" do
+        let(:attributes) { { bulk_upload:, field_98: "50", field_99: "some other reason" } }
+
+        it "is set to nil" do
+          expect(parser.log.reasonother).to be_nil
+        end
       end
     end