diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
index e55462c8b3f207ab6795adcb3094ca50b47c765f..3b91f09b21f33cb792a90d220946104e363e91d5 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
@@ -96,6 +96,7 @@
   "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"
+  },
   {
    "fieldname": "accounting_journal",
    "fieldtype": "Link",
@@ -1927,7 +1934,7 @@
    "link_fieldname": "consolidated_invoice"
   }
  ],
- "modified": "2024-05-08 18:02:28.549041",
+ "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 eb5904d2336914c33c092aed55683e63c74b612e..32688e9c89dce3445bbc64685bd5131333c19a34 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -15,6 +15,10 @@ 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,
@@ -111,6 +115,7 @@ 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()
 
@@ -494,6 +503,9 @@ 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
@@ -583,6 +595,9 @@ 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"
 		):