What are the other compliances which a provisionally registered person opting to pay tax under the composition levy need to make

Such person is required to furnish the details of stock, including the inward supply of goods received from unregistered persons, held by him on the day preceding the date from which he opts to pay tax under the composition scheme, electronically, in FORM GST CMP-03, on the common portal, either directly or through a Facilitation Centre notified by the Commissioner, within a period of sixty days from the date on which the option for composition levy is exercised or within such further period as may be extended by the Commissioner in this behalf.

(FAQ 16: COMPOSITION LEVY)

A person opting to pay tax under the composition scheme receives inputs/input services from an unregistered person. Will the composition taxpayer have to pay GST under reverse charge? If yes, in what manner

Yes. Tax will have to be paid on such supplies by the composition taxpayer under reverse charge mechanism. The tax can be paid by the 18th day of the month succeeding the quarter in which such supplies were received. The information relating to such supplies should be shown by the composition taxpayer in Table 4 of return in FORM GSTR -4.

(FAQ 13: COMPOSITION LEVY)