What Is a Nil GST Return, and How Do You File One?
GSTZone Desk · Updated 2026
Short answer
A nil return is simply a GST return with zero outward supply, zero credit claimed, and zero tax payable for that period — and it still has to be filed by the due date, either on the portal or by a quick SMS.
In detail
A common mistake is assuming that if a business made no sales in a month, there’s nothing to file. That’s not correct — a registered person must file a return for every period regardless of activity, and a period with genuinely zero transactions is filed as a ‘nil’ return rather than skipped.
On the portal, filing nil simply means going through GSTR-3B (or GSTR-1) and confirming zero values in every applicable table before submitting, the same workflow as a normal return with every field left blank.
For GSTR-3B specifically, there’s a faster route too — an SMS-based nil filing, sending NIL 3B <GSTIN> <tax period> from the registered mobile number, which files the return without logging into the portal at all.
GSTZone tip
Don’t let a genuinely inactive month slip past the due date just because ‘there’s nothing to report’ — the late fee for a delayed nil return is lower than a return with tax liability, but it’s not zero, and it still accrues daily.
Related questions
Can I file a nil GSTR-1 by SMS too?+
No — the SMS-based nil filing facility is specifically for GSTR-3B; GSTR-1 nil filing still needs to be done through the portal.
Is there any reason to file nil instead of just deregistering?+
If the inactivity is temporary, filing nil keeps your registration active and compliant; deregistering is a bigger step with its own reversal and re-registration complications, and isn’t the right response to a quiet month or two.
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