refactor: checkbox to toggle always standalone credit note

erpnext/accounts/doctype/sales_invoice/sales_invoice.json

@@ -25,6 +25,7 @@
   "is_consolidated",
   "is_return",
   "return_against",
+  "update_outstanding_for_self",
   "update_billed_amount_in_sales_order",
   "update_billed_amount_in_delivery_note",
   "is_debit_note",
@@ -2171,6 +2172,14 @@
    "fieldtype": "Check",
    "label": "Don't Create Loyalty Points",
    "no_copy": 1
+  },
+  {
+   "default": "1",
+   "depends_on": "eval: doc.is_return && doc.return_against",
+   "description": "Credit Note will update it's own outstanding amount, even if \"Return Against\" is specified.",
+   "fieldname": "update_outstanding_for_self",
+   "fieldtype": "Check",
+   "label": "Update Outstanding for Self"
   }
  ],
  "icon": "fa fa-file-text",
@@ -2183,7 +2192,7 @@
    "link_fieldname": "consolidated_invoice"
   }
  ],
- "modified": "2024-03-01 09:21:54.201289",
+ "modified": "2024-03-11 14:20:34.874192",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Sales Invoice",
@@ -2238,4 +2247,4 @@
  "title_field": "title",
  "track_changes": 1,
  "track_seen": 1
-}
+}

erpnext/accounts/doctype/sales_invoice/sales_invoice.py

@@ -220,6 +220,7 @@ class SalesInvoice(SellingController):
 		unrealized_profit_loss_account: DF.Link | None
 		update_billed_amount_in_delivery_note: DF.Check
 		update_billed_amount_in_sales_order: DF.Check
+		update_outstanding_for_self: DF.Check
 		update_stock: DF.Check
 		use_company_roundoff_cost_center: DF.Check
 		write_off_account: DF.Link | None
@@ -1232,7 +1233,9 @@ class SalesInvoice(SellingController):
 						"debit_in_account_currency": base_grand_total
 						if self.party_account_currency == self.company_currency
 						else grand_total,
-						"against_voucher": self.name,
+						"against_voucher": self.name
+						if self.is_return and self.return_against and self.update_outstanding_for_self
+						else self.return_against,
 						"against_voucher_type": self.doctype,
 						"cost_center": self.cost_center,
 						"project": self.project,