diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
index 650497c0bfe41d89300995dd4f4a106fcee00a53..3480a6171a86af65493d3d2f4a87d5cf77d00fbd 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
@@ -97,6 +97,7 @@
   "section_break_49",
   "apply_discount_on",
   "base_discount_amount",
+  "coupon_code",
   "is_cash_or_non_trade_discount",
   "additional_discount_account",
   "column_break_51",
@@ -1899,6 +1900,12 @@
    "label": "Don't Create Loyalty Points",
    "no_copy": 1
   },
+  {
+   "fieldname": "coupon_code",
+   "fieldtype": "Link",
+   "label": "Coupon Code",
+   "options": "Coupon Code"
+  },
   {
    "default": "1",
    "depends_on": "eval: doc.is_return && doc.return_against",
@@ -1937,7 +1944,7 @@
    "link_fieldname": "consolidated_invoice"
   }
  ],
- "modified": "2024-03-22 17:50:34.395602",
+ "modified": "2024-04-16 16:27:05.980674",
  "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 b3a5664fe21827bdca690698ca7e245e0817a462..fcf2ee15942360ed0f0b99f1af975ea06c09c55f 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -16,6 +16,10 @@ from erpnext.accounts.doctype.loyalty_program.loyalty_program import (
 	get_loyalty_program_details_with_points,
 	validate_loyalty_points,
 )
+from erpnext.accounts.doctype.pricing_rule.utils import (
+	update_coupon_code_count,
+	validate_coupon_code,
+)
 from erpnext.accounts.doctype.repost_accounting_ledger.repost_accounting_ledger import (
 	validate_docs_for_deferred_accounting,
 	validate_docs_for_voucher_types,
@@ -110,6 +114,7 @@ class SalesInvoice(SellingController):
 		contact_person: DF.Link | None
 		conversion_rate: DF.Float
 		cost_center: DF.Link | None
+		coupon_code: DF.Link | None
 		currency: DF.Link
 		customer: DF.Link | None
 		customer_address: DF.Link | None
@@ -304,6 +309,10 @@ class SalesInvoice(SellingController):
 			self.doctype, self.customer, self.company, self.inter_company_invoice_reference
 		)
 
+		# Validating coupon code
+		if self.coupon_code:
+			validate_coupon_code(self.coupon_code)
+
 		if cint(self.is_pos):
 			self.validate_pos()
 
@@ -487,6 +496,9 @@ class SalesInvoice(SellingController):
 			self.update_project()
 		update_linked_doc(self.doctype, self.name, self.inter_company_invoice_reference)
 
+		if self.coupon_code:
+			update_coupon_code_count(self.coupon_code, "used")
+
 		# create the loyalty point ledger entry if the customer is enrolled in any loyalty program
 		if (
 			not self.is_return
@@ -576,6 +588,9 @@ class SalesInvoice(SellingController):
 		self.db_set("status", "Cancelled")
 		self.db_set("repost_required", 0)
 
+		if self.coupon_code:
+			update_coupon_code_count(self.coupon_code, "cancelled")
+
 		if (
 			frappe.db.get_single_value("Selling Settings", "sales_update_frequency") == "Each Transaction"
 		):