Sir,
Q:1- All registered taxpayers who have opted for composition scheme under GST, for any period during the financial year, need to file Form GSTR-4 (Annual Return). This will include a taxpayer –
who have opted for composition scheme since registration and have never opted out subsequently; and
who have opted in for composition scheme before starting of the financial year; and
who have opted in for composition but subsequently opted out any time during the year.
Q:2- Yes, it’s mandatory for all composition taxpayers to file Form GSTR-4 (Annual Return).
Annual Return GSTR-9A prescribed u/s. 44r.w.r 80 is to be filed for every Financial Year. It has been made optional for F Y:2018-19 but Mandatory for FY: 2019-20 to be filed by 31.12.2020 in addition to GSTR-4.
Q:3- the return will be treated as incomplete Actually the system will accept the return without uploading the details of inward supplies.
Q:4- No, you cannot revise Form GSTR-4 (Annual Return) after filing.