Rule 37A

[Where input tax credit has been availed by a registered person in the return in FORM GSTR-3B for a tax period in respect of such invoice or debit note, the details of which have been furnished by the supplier in the statement of outward supplies in FORM GSTR-1 [, as amended in FORM GSTR-1A if any,] ² or using the invoice furnishing facility, but the return in FORM GSTR-3B for the tax period corresponding to the said statement of outward supplies has not been furnished by such supplier till the 30th day of September following the end of financial year in which the input tax credit in respect of such invoice or debit note has been availed, the said amount of input tax credit shall be reversed by the said registered person, while furnishing a return in FORM GSTR-3B on or before the 30th day of November following the end of such financial year: 

 Provided that where the said amount of input tax credit is not reversed by the registered person in a return in FORM GSTR-3B on or before the 30th day of November following the end of such financial year during which such input tax credit has been availed, such amount shall be payable by the said person along with interest thereon under section 50. 

 Provided further that where the said supplier subsequently furnishes the return in FORM GSTR-3B for the said tax period, the said registered person may re-avail the amount of such credit in the return in FORM GSTR-3B for a tax period thereafter.] ¹