The deadline for completing Form GSTR-3B for those filing monthly returns is the 20th day of the month following the tax period to which the return relates.

What can happen if you fail to file GSTR-3B by the deadline Missing the GSTR-3B return filing deadline results in penalties and interest being levied on (Goods and Services Tax) GST registered ...

The Finance Ministry on Friday extended the due date for filing GSTR 3B by one day because of a technical glitch. Now, the form can be filed till October 21..

By improving the user interface and redesigning the process, filing of GSTR-3B has been made considerably convenient," GSTN CEO Prakash Kumar said.

The Centre has extended the due date for filing April GSTR-3B as taxpayers faced technical glitch on the GST portal.