Gstr1 b2cs amendment?

Ayyasamy (GST Practitioner) (346 Points)

24 January 2018  

My claint filed the GSTR1 Return in the month of dec-17.

He doing busines with registered and unregister persons.

Now the problem is he is wrongly add the all the invoice in B2CS.

i try in portal selecting the pos but ament option not coming ?