diff --git a/app/services/exports/sales_log_export_constants.rb b/app/services/exports/sales_log_export_constants.rb
index 99a99a65a..a901c1ebf 100644
--- a/app/services/exports/sales_log_export_constants.rb
+++ b/app/services/exports/sales_log_export_constants.rb
@@ -137,11 +137,16 @@ module Exports::SalesLogExportConstants
   (1..6).each do |index|
     EXPORT_FIELDS << "AGE#{index}"
     EXPORT_FIELDS << "ECSTAT#{index}"
-    EXPORT_FIELDS << "SEXRAB#{index}"
     EXPORT_FIELDS << "SEX#{index}"
   end
 
   (2..6).each do |index|
     EXPORT_FIELDS << "RELAT#{index}"
   end
+
+  POST_2026_EXPORT_FIELDS = Set[]
+
+  (1..6).each do |index|
+    POST_2026_EXPORT_FIELDS << "SEXRAB#{index}"
+  end
 end
diff --git a/app/services/exports/sales_log_export_service.rb b/app/services/exports/sales_log_export_service.rb
index 7fac8d27e..e894f9dda 100644
--- a/app/services/exports/sales_log_export_service.rb
+++ b/app/services/exports/sales_log_export_service.rb
@@ -151,7 +151,8 @@ module Exports
     end
 
     def is_omitted_field?(field_name, _sales_log)
-      !EXPORT_FIELDS.include?(field_name)
+      !EXPORT_FIELDS.include?(field_name) ||
+        (!_sales_log.form.start_year_2026_or_later? && POST_2026_EXPORT_FIELDS.include?(field_name))
     end
 
     def build_export_xml(sales_logs)