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Free Tool · acconix.in

GST Late Fee & Interest Calculator

Compute exact late fees under Section 47 and interest under Section 50 of the CGST Act. Due dates auto-fill — edit if CBIC grants an extension.

Return details
Month and year for which the return is being filed
Auto-filled — edit only if CBIC granted an extension
⚠️ Extension applied — date modified from standard
Actual date filed (or today for an estimate)
Nil returns attract a lower late fee rate

Annual turnover (for late fee cap)
Previous FY AATO — determines your slab and maximum cap

Select the return period above to see your liability.

Acconix Consultancy Services
Professional GST & Tax Advisory
Acconix provides comprehensive GST return filing, notice management, audit support, and tax advisory services for businesses across Maharashtra.
Applicable provisions
📄 Section 47 — Late fee for delayed filing
💰 Section 50 — Interest on delayed payment (18% p.a.)
📋 Notification 19/2021 — GSTR-3B turnover-based caps (Jun 2021)
📋 Notification 21/2021 — GSTR-4 fixed caps (₹500 nil / ₹2,000 normal)
📋 Notification 07/2023 — GSTR-9 rationalised slabs (FY 2022-23+)
📋 Notification 14/2024 — GSTR-9 exemption for AATO ≤ ₹2 Cr (FY 2023-24)