Notwithstanding anything contained in this Chapter, for a registered person who is required to furnish a Nil return under section 39 in FORM GSTR-3B or a Nil details of outward supplies under section 37 in FORM GSTR-1 for a tax period, any reference to electronic furnishing shall include furnishing of the said return or the details of outward supplies through a short messaging service using the registered mobile number and the said return or the details of outward supplies shall be verified by a registered mobile number based One Time Password facility.

Explanation. - For the purpose of this rule, a Nil return or Nil details of outward supplies shall mean a return under section 39 or details of outward supplies under section 37, for a tax period that has nil or no entry in all the Tables in FORM GSTR-3B or FORM GSTR-1, as the case may be.