diff --git a/erpnext/accounts/doctype/accounts_settings/accounts_settings.json b/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
index ae4adfa8a67..8acb821b1e5 100644
--- a/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
+++ b/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
@@ -86,7 +86,9 @@
   "legacy_section",
   "ignore_is_opening_check_for_reporting",
   "payment_request_settings",
-  "create_pr_in_draft_status"
+  "create_pr_in_draft_status",
+  "budget_settings",
+  "use_new_budget_controller"
  ],
  "fields": [
   {
@@ -565,6 +567,17 @@
    "fieldname": "legacy_section",
    "fieldtype": "Section Break",
    "label": "Legacy Fields"
+  },
+  {
+   "fieldname": "budget_settings",
+   "fieldtype": "Tab Break",
+   "label": "Budget"
+  },
+  {
+   "default": "1",
+   "fieldname": "use_new_budget_controller",
+   "fieldtype": "Check",
+   "label": "Use New Budget Controller"
   }
  ],
  "grid_page_length": 50,
@@ -573,7 +586,7 @@
  "index_web_pages_for_search": 1,
  "issingle": 1,
  "links": [],
- "modified": "2025-05-05 12:29:38.302027",
+ "modified": "2025-05-16 11:08:00.796886",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Accounts Settings",
diff --git a/erpnext/accounts/doctype/accounts_settings/accounts_settings.py b/erpnext/accounts/doctype/accounts_settings/accounts_settings.py
index bbf1c2ef060..2735653bb45 100644
--- a/erpnext/accounts/doctype/accounts_settings/accounts_settings.py
+++ b/erpnext/accounts/doctype/accounts_settings/accounts_settings.py
@@ -67,6 +67,7 @@ class AccountsSettings(Document):
 		submit_journal_entries: DF.Check
 		unlink_advance_payment_on_cancelation_of_order: DF.Check
 		unlink_payment_on_cancellation_of_invoice: DF.Check
+		use_new_budget_controller: DF.Check
 		use_sales_invoice_in_pos: DF.Check
 	# end: auto-generated types
 
diff --git a/erpnext/accounts/general_ledger.py b/erpnext/accounts/general_ledger.py
index 6d123308a6d..edf8c2e3581 100644
--- a/erpnext/accounts/general_ledger.py
+++ b/erpnext/accounts/general_ledger.py
@@ -33,7 +33,10 @@ def make_gl_entries(
 	from_repost=False,
 ):
 	if gl_map:
-		if gl_map[0].voucher_type != "Period Closing Voucher":
+		if (
+			frappe.db.get_single_value("Accounts Settings", "use_new_budget_controller")
+			and gl_map[0].voucher_type != "Period Closing Voucher"
+		):
 			bud_val = BudgetValidation(gl_map=gl_map)
 			bud_val.validate()
 
@@ -196,12 +199,11 @@ def distribute_gl_based_on_cost_center_allocation(gl_map, precision=None, from_r
 	for d in gl_map:
 		cost_center = d.get("cost_center")
 
-		# TODO: is a separate validation on cost center allocation required?
 		# Validate budget against main cost center
-		# if not from_repost:
-		# 	validate_expense_against_budget(
-		# 		d, expense_amount=flt(d.debit, precision) - flt(d.credit, precision)
-		# 	)
+		if not from_repost:
+			validate_expense_against_budget(
+				d, expense_amount=flt(d.debit, precision) - flt(d.credit, precision)
+			)
 
 		cost_center_allocation = get_cost_center_allocation_data(
 			gl_map[0]["company"], gl_map[0]["posting_date"], cost_center
@@ -403,8 +405,8 @@ def make_entry(args, adv_adj, update_outstanding, from_repost=False):
 	gle.flags.notify_update = False
 	gle.submit()
 
-	# if not from_repost and gle.voucher_type != "Period Closing Voucher":
-	# 	validate_expense_against_budget(args)
+	if not from_repost and gle.voucher_type != "Period Closing Voucher":
+		validate_expense_against_budget(args)
 
 
 def validate_cwip_accounts(gl_map):
diff --git a/erpnext/controllers/buying_controller.py b/erpnext/controllers/buying_controller.py
index ed2d98f3469..c296850428f 100644
--- a/erpnext/controllers/buying_controller.py
+++ b/erpnext/controllers/buying_controller.py
@@ -775,28 +775,28 @@ class BuyingController(SubcontractingController):
 			self.update_fixed_asset(field, delete_asset=True)
 
 	def validate_budget(self):
-		from erpnext.controllers.budget_controller import BudgetValidation
+		if frappe.db.get_single_value("Accounts Settings", "use_new_budget_controller"):
+			from erpnext.controllers.budget_controller import BudgetValidation
 
-		val = BudgetValidation(doc=self)
-		val.validate()
-		return
+			val = BudgetValidation(doc=self)
+			val.validate()
+		else:
+			if self.docstatus == 1:
+				for data in self.get("items"):
+					args = data.as_dict()
+					args.update(
+						{
+							"doctype": self.doctype,
+							"company": self.company,
+							"posting_date": (
+								self.schedule_date
+								if self.doctype == "Material Request"
+								else self.transaction_date
+							),
+						}
+					)
 
-		if self.docstatus == 1:
-			for data in self.get("items"):
-				args = data.as_dict()
-				args.update(
-					{
-						"doctype": self.doctype,
-						"company": self.company,
-						"posting_date": (
-							self.schedule_date
-							if self.doctype == "Material Request"
-							else self.transaction_date
-						),
-					}
-				)
-
-				validate_expense_against_budget(args)
+					validate_expense_against_budget(args)
 
 	def process_fixed_asset(self):
 		if self.doctype == "Purchase Invoice" and not self.update_stock: