diff --git a/RPtoRFX_Receipt.ftl b/RPtoRFX_Receipt.ftl
index 1a453a5..90ef77a 100644
--- a/RPtoRFX_Receipt.ftl
+++ b/RPtoRFX_Receipt.ftl
@@ -55,7 +55,11 @@
 				"level_1_quantity": ${line.RequestedMetrics.QuantityInBaseLV.Value!0},
 				"owner_code": "${owner_code}",
 				"grade_code": "${grade_code}",
-				"batch_1": "${batch_1?json_string!""}"
+				"batch_1": "${batch_1?json_string!""}",
+				"optional_attributes": {
+					<#include "RPtoRFX_Receipt_OptionalAttributes.ftl">
+					"hold_for_specific_code": "false"
+				}
 			}<#sep>,</#sep>
 		</#list>
 		]
diff --git a/RPtoRFX_Receipt_LineMetadata.ftl b/RPtoRFX_Receipt_LineMetadata.ftl
index 426746f..d54423b 100644
--- a/RPtoRFX_Receipt_LineMetadata.ftl
+++ b/RPtoRFX_Receipt_LineMetadata.ftl
@@ -15,7 +15,3 @@
             ]
       </#if>,
 -->
-
-"optional_attributes": {
-	"hold_for_specific_code": "false"
-},
\ No newline at end of file
diff --git a/RPtoRFX_Receipt_OptionalAttributes.ftl b/RPtoRFX_Receipt_OptionalAttributes.ftl
new file mode 100644
index 0000000..cb2ac5c
--- /dev/null
+++ b/RPtoRFX_Receipt_OptionalAttributes.ftl
@@ -0,0 +1,16 @@
+<#-- Here are the fields that can be added
+ "batch_2": "string",
+"batch_3": "string",
+"anticipated_receipt_line_activity_code": "str",
+"anticipated_receipt_line_physical_depot_code": "str",
+"anticipated_receipt_line_originator_code": "string",
+"anticipated_receipt_reference": "string",
+"anticipated_receipt_planned_date": "0000-00-00",
+"anticipated_receipt_reference_line_no": 999999,
+"reservation_consignee_code": "string",
+"reservation_consignee_group_code": "string",
+"pro_reservation_reference": "string",
+"held_for_check": "false",
+"held_for_repacking": "false",
+"hold_code": "str"
+-->