Gstn no change?

Ayyasamy (GST Practitioner) (346 Points)

11 January 2018  

I filed GSTR1 till november . now i have to face one problem  my customer is in SEZ zone he share the GSTN no in July and we are the file the sam GSTN no itself . now that custmer say that in SEZ zone GSTn no changed and they are forget to share the new GSTN no . here my qus is i can amend the customer GSTN no ?