Anx -1 due date

New  return  system  may be  applicable  from  April  2020 , 

confirm  with  others also . 

FORM GST ANX-1 is an annexure to the main return GST RET-1 introduced under the new filing system of simplified returns under GST.

Details of the documents (invoice, credit/debit notes) can be
uploaded any time during the month till filing of return.
Documents uploaded up to 10th of the following month shall be
made available to the recipient for claiming ITC.

Documents uploaded after 10th of following month shall be
made available to the recipient in the next month.

the said anx1 is a part of RET 1 , the due date of which would be 20/25th of succeeding month for large and small taxpayers respectively