July 2, 2020
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Nil Form GSTR-1 can be filed by SMS using prescribed NIL and CNF messages with a one-time verification code.
Nil Form GSTR-1 can be filed via SMS when there are no outward supplies, amendments, credit/debit notes or advances to report. Eligibility requires valid GSTIN, chosen filing frequency (monthly/quarterly), an authorized signatory with a unique registered mobile number, and no saved/submitted online data for the same period. The SMS flow uses a prescribed NIL message, issuance of a one-time six-digit Verification Code (30-minute validity), and a CNF SMS with that code to generate an ARN and mark the return Filed on the portal.