refactor: flag to toggle billed amy update in DN for Credit Note
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
index e5adeae..cd725b9 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
@@ -26,6 +26,7 @@
   "is_return",
   "return_against",
   "update_billed_amount_in_sales_order",
+  "update_billed_amount_in_delivery_note",
   "is_debit_note",
   "amended_from",
   "accounting_dimensions_section",
@@ -2153,6 +2154,13 @@
    "fieldname": "use_company_roundoff_cost_center",
    "fieldtype": "Check",
    "label": "Use Company default Cost Center for Round off"
+  },
+  {
+   "default": "0",
+   "depends_on": "eval: doc.is_return",
+   "fieldname": "update_billed_amount_in_delivery_note",
+   "fieldtype": "Check",
+   "label": "Update Billed Amount in Delivery Note"
   }
  ],
  "icon": "fa fa-file-text",
@@ -2165,7 +2173,7 @@
    "link_fieldname": "consolidated_invoice"
   }
  ],
- "modified": "2023-07-25 16:02:18.988799",
+ "modified": "2023-11-03 14:39:38.012346",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Sales Invoice",
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index f6d9c93..45a6527 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -253,6 +253,7 @@
 
 		self.update_status_updater_args()
 		self.update_prevdoc_status()
+
 		self.update_billing_status_in_dn()
 		self.clear_unallocated_mode_of_payments()
 
@@ -1429,6 +1430,8 @@
 			)
 
 	def update_billing_status_in_dn(self, update_modified=True):
+		if self.is_return and not self.update_billed_amount_in_delivery_note:
+			return
 		updated_delivery_notes = []
 		for d in self.get("items"):
 			if d.dn_detail: