The GSTR-3B is a mandatory monthly self-declaration summary return for registered GST taxpayers. Filing it on time is essential to maintain compliance and avoid penalties. Below is a summary of the filing requirements and due dates.
GSTR-3B Filing Due Dates
The due date depends on your filing frequency (Monthly or Quarterly under the QRMP scheme).
| Taxpayer Category |
Due Date |
| Monthly Filers |
20th of the following month. |
| Quarterly Filers (QRMP) |
22nd or 24th of the month following the quarter (based on your state/UT). |
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Category 1 States (22nd): Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh, and Union Territories: Daman and Diu, Dadra and Nagar Haveli, Puducherry, Andaman and Nicobar Islands, and Lakshadweep.
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Category 2 States (24th): Himachal Pradesh, Punjab, Uttarakhand, Haryana, Rajasthan, Uttar Pradesh, Bihar, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam, West Bengal, Jharkhand, Odisha, and Union Territories: Jammu and Kashmir, Ladakh, Chandigarh, and Delhi.
Key Rules & Important Information
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Mandatory Filing: You must file GSTR-3B for every tax period, even if there are no transactions (Nil return) or no tax liability.
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No Revision: Once filed, GSTR-3B cannot be revised. Ensure all details are verified before submission.
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Late Fees: If you miss the deadline, a late fee is charged:
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Interest: If tax dues are not paid by the due date, interest at 18% per annum is charged on the outstanding tax amount.
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Pre-requisite: You cannot file GSTR-3B for a period if you have not filed the GSTR-1 for that same period.
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Blocked Returns: You cannot file a GSTR-3B return if more than three years have passed since its original due date.
Summary of Steps
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Log in to the GST Portal.
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Navigate to Services > Returns > Returns Dashboard.
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Select the relevant Financial Year and Return Filing Period.
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Enter details for outward supplies, ITC, and tax liabilities.
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Preview the draft return to ensure accuracy.
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Proceed to payment to discharge your tax liability.
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File the return using either a Digital Signature Certificate (DSC) or an Electronic Verification Code (EVC).