fix: not able to submit purchase order (#16735)

diff --git a/erpnext/regional/italy/utils.py b/erpnext/regional/italy/utils.py
index 51aa93a..7e0386a 100644
--- a/erpnext/regional/italy/utils.py
+++ b/erpnext/regional/italy/utils.py
@@ -183,6 +183,9 @@
 #Preflight for successful e-invoice export.
 def sales_invoice_validate(doc):
 	#Validate company
+	if doc.doctype != 'Sales Invoice':
+		return
+
 	if not doc.company_address:
 		frappe.throw(_("Please set an Address on the Company '%s'" % doc.company), title=_("E-Invoicing Information Missing"))
 	else: