diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
index dc879cfc1b4..ff82055d19b 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
@@ -366,8 +366,15 @@ erpnext.accounts.PurchaseInvoice = class PurchaseInvoice extends erpnext.buying.
 		hide_fields(this.frm.doc);
 		if(cint(this.frm.doc.is_paid)) {
 			this.frm.set_value("allocate_advances_automatically", 0);
+<<<<<<< HEAD
 			if(!this.frm.doc.company) {
 				this.frm.set_value("is_paid", 0)
+=======
+			this.frm.set_value("payment_terms_template", "");
+			this.frm.set_value("payment_schedule", []);
+			if (!this.frm.doc.company) {
+				this.frm.set_value("is_paid", 0);
+>>>>>>> e1fc239f3d (fix: clear payment schedule in purchase invoice for is_paid)
 				frappe.msgprint(__("Please specify Company to proceed"));
 			}
 		}
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 6a5914ddbe0..58e9b86e24b 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -415,10 +415,14 @@ class AccountsController(TransactionBase):
 					)
 
 	def validate_invoice_documents_schedule(self):
-		if self.is_return:
+		if (
+			self.is_return
+			or (self.doctype == "Purchase Invoice" and self.is_paid)
+			or (self.doctype == "Sales Invoice" and self.is_pos)
+			or self.get("is_opening") == "Yes"
+		):
 			self.payment_terms_template = ""
 			self.payment_schedule = []
-			return
 
 		self.validate_payment_schedule_dates()
 		self.set_due_date()
@@ -2177,9 +2181,6 @@ class AccountsController(TransactionBase):
 		dates = []
 		li = []
 
-		if self.doctype == "Sales Invoice" and self.is_pos:
-			return
-
 		for d in self.get("payment_schedule"):
 			if self.doctype == "Sales Order" and getdate(d.due_date) < getdate(self.transaction_date):
 				frappe.throw(
@@ -2196,9 +2197,12 @@ class AccountsController(TransactionBase):
 			frappe.throw(_("Rows with duplicate due dates in other rows were found: {0}").format(duplicates))
 
 	def validate_payment_schedule_amount(self):
+<<<<<<< HEAD
 		if self.doctype == "Sales Invoice" and self.is_pos:
 			return
 
+=======
+>>>>>>> e1fc239f3d (fix: clear payment schedule in purchase invoice for is_paid)
 		party_account_currency = self.get("party_account_currency")
 		if not party_account_currency:
 			party_type, party = self.get_party()