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GSTR-3B Filing: Due Dates and Process

Complete guide to GSTR-3B filing including due dates, process, and penalty for late filing.

GetYourCA Team
10 February 2026·Updated 10 February 20261 min read12.5K views

What is GSTR-3B?#

GSTR-3B is a monthly self-declaration return that summarizes:

  • Outward supplies made
  • Input Tax Credit claimed
  • Tax payable
  • Tax paid

It must be filed even if there are no transactions.

Due Dates#

FilersDue Date
Monthly filers20th of next month
Quarterly filers (QRMP)22nd/24th of month after quarter

How to File GSTR-3B#

  1. Login to GST Portal (gst.gov.in)
  2. Go to Returns Dashboard
  3. Select GSTR-3B
  4. Fill details of outward supplies
  5. Claim ITC
  6. Pay tax liability
  7. Submit return

Penalty for Late Filing#

  • Rs 50 per day (Rs 25 CGST + Rs 25 SGST)
  • Maximum penalty: Rs 10,000
  • Interest @ 18% on late payment

Key Points#

  • File even with nil transactions
  • Last date is strict - no extension
  • Pay tax even if return not filed
  • Use ICEGATE for quick filing

Common Mistakes to Avoid#

  • Wrong tax liability calculation
  • Missing to claim legitimate ITC
  • Not filing nil returns
  • Incorrect HSN codes

Need Help With Your Tax Filing?

Our expert CAs can help you file your ITR accurately, claim maximum deductions, and ensure compliance. Get started in minutes.

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GetYourCA Team

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Disclaimer

We have taken utmost care to research and write this article for your information. However, tax laws are complex and subject to frequent changes. This article is for general guidance only and should not be considered professional advice. Individual circumstances vary significantly — what works for one person may not apply to another.

Before making any tax-related decisions, we strongly recommend consulting with a qualified Chartered Accountant or tax professional who can assess your specific situation. We do not accept any liability for decisions made based on this information.

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