GST Compliance & Penalty Engine

GST Late Fee & Interest Calculator (GSTR-3B / GSTR-1)

Compute exact statutory late fees under Section 47 (with turnover-based capping) and 18% p.a. interest liability under Section 50 on delayed net cash tax liability.

Calculating GST late fees…

Filing & Tax Parameters

Governs the per-day statutory late fee rate.
Determines statutory maximum late fee capping limit.
Days elapsed after the 20th/22nd/24th due date.
Cash ledger payment (excluding ITC adjusted).
Penalty Component Statutory Rate / Cap Calculated Amount

Late Fee vs Section 50 Interest

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Understanding GST Late Fees Under Section 47

Section 47 of the Central Goods and Services Tax (CGST) Act imposes a daily statutory penalty on taxpayers who fail to submit their monthly or quarterly returns (such as GSTR-3B and GSTR-1) on or before the designated statutory due dates. The standard daily rates are divided equally between the Central Government (CGST) and State Government (SGST):

Section 50 Interest on Net Cash Tax Liability

Following the retrospective amendment to Section 50 of the CGST Act, interest for delayed GST payment is levied strictly on the Net Cash Liability (the portion deposited via Electronic Cash Ledger after utilizing eligible Input Tax Credit). Interest is charged at a flat simple rate of 18% per annum computed as: (Net Tax × 18% × Days of Delay) / 365.

Frequently Asked Questions

Can GST late fees be waived or reduced?

Late fees can only be waived through official GST Amnesty Schemes notified by the CBIC via official gazette notifications. Normal taxpayers must pay auto-populated late fees in the subsequent tax period's GSTR-3B.

Is interest charged on the gross tax liability or net tax?

Interest under Section 50(1) is legally charged strictly on the net cash liability paid via challan. It is not charged on the portion settled through Input Tax Credit (ITC), provided the return is filed before commencement of any proceedings under Section 73 or 74.

Are late fees applicable on delayed GSTR-1?

Yes. Late fees under Section 47 apply to GSTR-1 filings. While earlier uncollected, the GSTN portal auto-populates accumulated GSTR-1 late fees into the subsequent month's GSTR-3B return payment table.