diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.js b/erpnext/buying/doctype/purchase_order/purchase_order.js
index 489e286..e63ef60 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.js
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.js
@@ -139,13 +139,13 @@
 						}, __('Create'))
 					}
 
-					if (doc.docstatus == 1 && !doc.inter_company_order_reference) {
+					if (doc.docstatus === 1 && !doc.inter_company_order_reference) {
 						let me = this;
 						frappe.model.with_doc("Supplier", me.frm.doc.supplier, () => {
 							let supplier = frappe.model.get_doc("Supplier", me.frm.doc.supplier);
 							let internal = supplier.is_internal_supplier;
 							let disabled = supplier.disabled;
-							if (internal == 1 && disabled == 0) {
+							if (internal === 1 && disabled === 0) {
 								me.frm.add_custom_button("Inter Company Order", function() {
 									me.make_inter_company_order(me.frm);
 								}, __('Create'));
diff --git a/erpnext/selling/doctype/sales_order/sales_order.js b/erpnext/selling/doctype/sales_order/sales_order.js
index 064748d..dc22b5b 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.js
+++ b/erpnext/selling/doctype/sales_order/sales_order.js
@@ -205,13 +205,13 @@
 						}, __('Create'))
 					}
 
-					if (doc.docstatus == 1 && !doc.inter_company_order_reference) {
+					if (doc.docstatus === 1 && !doc.inter_company_order_reference) {
 						let me = this;
 						frappe.model.with_doc("Customer", me.frm.doc.customer, () => {
 							let customer = frappe.model.get_doc("Customer", me.frm.doc.customer);
 							let internal = customer.is_internal_customer;
 							let disabled = customer.disabled;
-							if (internal == 1 && disabled == 0) {
+							if (internal === 1 && disabled === 0) {
 								me.frm.add_custom_button("Inter Company Order", function() {
 									me.make_inter_company_order();
 								}, __('Create'));
diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 25740d2..6b51b96 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -478,7 +478,7 @@
 
 	elif frappe.db.get_value(partytype, {"name": party, internal: 1}, "name") == party:
 		companies = frappe.db.sql("""select company from `tabAllowed To Transact With`
-			where parenttype = '{0}' and parent = '{1}'""".format(partytype, party), as_list = 1)
+			where parenttype = '{0}' and parent = '{1}'""".format(partytype, party), as_list = 1) #nosec
 		companies = [d[0] for d in companies]
 		if not company in companies:
 			frappe.throw(_("{0} not allowed to transact with {1}. Please change the Company.").format(partytype, company))
@@ -805,6 +805,7 @@
 		target.apply_discount_on = ""
 		target.additional_discount_percentage = 0.0
 		target.discount_amount = 0.0
+		target.inter_company_order_reference = ""
 
 		default_price_list = frappe.get_value("Supplier", supplier, "default_price_list")
 		if default_price_list: