diff --git a/src/views/payment/PaymentDetailPrint.vue b/src/views/payment/PaymentDetailPrint.vue
index a298fc7..da57259 100644
--- a/src/views/payment/PaymentDetailPrint.vue
+++ b/src/views/payment/PaymentDetailPrint.vue
@@ -1317,7 +1317,7 @@ const serializeEditContextToPayload = () => {
 
   if (editContext.value.source === 'related_pre_approval') {
     const relatedId = relatedPlannedExpenditure.value?.id
-    const baseMap = cloneDeep(relatedPlannedExpenditure.value?.element_values || {})
+    const baseMap = {}
     if (!relatedId || !editContext.value.fieldKey) return null
 
     const fieldKey = editContext.value.fieldKey
@@ -1346,8 +1346,11 @@ const serializeEditContextToPayload = () => {
       type: 'related_pre_approval',
       payload: {
         id: relatedId,
-        save_action: 'draft',
-        form_data: baseMap
+        element_edit: {
+          field_key: fieldKey,
+          version: relatedPlannedExpenditure.value?.element_version,
+          values: baseMap
+        }
       }
     }
   }
@@ -1398,8 +1401,7 @@ const saveElementEdit = async () => {
   try {
     if (serialized.type === 'related_pre_approval') {
       await plannedExpenditureAPI.update(serialized.payload.id, {
-        save_action: serialized.payload.save_action,
-        form_data: serialized.payload.form_data
+        element_edit: serialized.payload.element_edit
       })
     } else {
       await paymentAPI.update(payment.value.id, serialized.payload)