fix: First preference to parent cost center rather than round off cost center

erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py

@@ -1369,7 +1369,9 @@ def make_gle_for_rounding_adjustment(self, gl_entries):
 		if (
 			not self.is_internal_transfer() and self.rounding_adjustment and self.base_rounding_adjustment
 		):
-			round_off_account, round_off_cost_center = get_round_off_account_and_cost_center(self.company)
+			round_off_account, round_off_cost_center = get_round_off_account_and_cost_center(
+				self.company, "Purchase Invoice", self.name
+			)
 
 			gl_entries.append(
 				self.get_gl_dict(

erpnext/accounts/doctype/sales_invoice/sales_invoice.py

@@ -1466,7 +1466,9 @@ def make_gle_for_rounding_adjustment(self, gl_entries):
 			and self.base_rounding_adjustment
 			and not self.is_internal_transfer()
 		):
-			round_off_account, round_off_cost_center = get_round_off_account_and_cost_center(self.company)
+			round_off_account, round_off_cost_center = get_round_off_account_and_cost_center(
+				self.company, "Sales Invoice", self.name
+			)
 
 			gl_entries.append(
 				self.get_gl_dict(

erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py

@@ -1977,6 +1977,13 @@ def test_rounding_adjustment_2(self):
 			self.assertEqual(expected_values[gle.account][2], gle.credit)
 
 	def test_rounding_adjustment_3(self):
+		from erpnext.accounts.doctype.accounting_dimension.test_accounting_dimension import (
+			create_dimension,
+			disable_dimension,
+		)
+
+		create_dimension()
+
 		si = create_sales_invoice(do_not_save=True)
 		si.items = []
 		for d in [(1122, 2), (1122.01, 1), (1122.01, 1)]:
@@ -2004,6 +2011,10 @@ def test_rounding_adjustment_3(self):
 					"included_in_print_rate": 1,
 				},
 			)
+
+		si.cost_center = "_Test Cost Center 2 - _TC"
+		si.location = "Block 1"
+
 		si.save()
 		si.submit()
 		self.assertEqual(si.net_total, 4007.16)
@@ -2039,6 +2050,18 @@ def test_rounding_adjustment_3(self):
 
 		self.assertEqual(debit_credit_diff, 0)
 
+		round_off_gle = frappe.db.get_value(
+			"GL Entry",
+			{"voucher_type": "Sales Invoice", "voucher_no": si.name, "account": "Round Off - _TC"},
+			["cost_center", "location"],
+			as_dict=1,
+		)
+
+		self.assertEqual(round_off_gle.cost_center, "_Test Cost Center 2 - _TC")
+		self.assertEqual(round_off_gle.location, "Block 1")
+
+		disable_dimension()
+
 	def test_sales_invoice_with_shipping_rule(self):
 		from erpnext.accounts.doctype.shipping_rule.test_shipping_rule import create_shipping_rule
 

erpnext/accounts/general_ledger.py

@@ -355,7 +355,7 @@ def raise_debit_credit_not_equal_error(debit_credit_diff, voucher_type, voucher_
 
 def make_round_off_gle(gl_map, debit_credit_diff, precision):
 	round_off_account, round_off_cost_center = get_round_off_account_and_cost_center(
-		gl_map[0].company
+		gl_map[0].company, gl_map[0].voucher_type, gl_map[0].voucher_no
 	)
 	round_off_account_exists = False
 	round_off_gle = frappe._dict()
@@ -392,14 +392,43 @@ def make_round_off_gle(gl_map, debit_credit_diff, precision):
 		}
 	)
 
+	update_accounting_dimensions(round_off_gle)
+
 	if not round_off_account_exists:
 		gl_map.append(round_off_gle)
 
 
-def get_round_off_account_and_cost_center(company):
+def update_accounting_dimensions(round_off_gle):
+	dimensions = get_accounting_dimensions()
+	meta = frappe.get_meta(round_off_gle["voucher_type"])
+	has_all_dimensions = True
+
+	for dimension in dimensions:
+		if not meta.has_field(dimension):
+			has_all_dimensions = False
+
+	if dimensions and has_all_dimensions:
+		dimension_values = frappe.db.get_value(
+			round_off_gle["voucher_type"], round_off_gle["voucher_no"], dimensions, as_dict=1
+		)
+
+		for dimension in dimensions:
+			round_off_gle[dimension] = dimension_values.get(dimension)
+
+
+def get_round_off_account_and_cost_center(company, voucher_type, voucher_no):
 	round_off_account, round_off_cost_center = frappe.get_cached_value(
 		"Company", company, ["round_off_account", "round_off_cost_center"]
 	) or [None, None]
+
+	meta = frappe.get_meta(voucher_type)
+
+	# Give first preference to parent cost center for round off GLE
+	if meta.has_field("cost_center"):
+		parent_cost_center = frappe.db.get_value(voucher_type, voucher_no, "cost_center")
+		if parent_cost_center:
+			round_off_cost_center = parent_cost_center
+
 	if not round_off_account:
 		frappe.throw(_("Please mention Round Off Account in Company"))