Summary: Rule 88B of the Central Goods and Services Tax Rules, 2017, outlines the calculation of interest on delayed GST payments, with varying conditions for liability. Interest is not payable in specific scenarios: if tax is paid via the Electronic Cash Ledger after the due date but the cash was deposited on or before the due date and remained unutilized, or if tax is paid by Input Tax Credit (ITC). Furthermore, no interest applies to wrongly availed but unutilized ITC. However, interest is payable if tax is paid through the Electronic Cash Ledger after both the due date and cash deposit date. If a return is filed late but before the initiation of proceedings under Sections 73/74/74A, interest is only on the portion paid from the cash ledger. Conversely, if the return is filed after such proceedings begin, interest is levied on the entire unpaid tax amount, including both cash and credit. Interest is also applicable on wrongly availed and utilized ITC from the date of utilization until reversal or payment.
The following table summarizes instances when interest is NOT payable even if GST return is filed after due date, as well as when it is payable, along with explanations and illustrations for better understanding.
Scenarios – Interest liability under Rule 88B, CGST Rules, 2017
| S. No. | Scenario | Is Interest Payable? | Explanation/ Provision | Illustration |
| 1 | Tax paid through Electronic Cash Ledger after due date, but cash was deposited in ledger on/before due date | NO | Proviso to Rule 88B(1): No interest on the portion of tax paid by debiting cash ledger, if cash was deposited before due date and lying in ledger till date of filing return. | Due date: 20th July. Tax deposited in cash ledger: 19th July. Return filed: 25th July.
No interest on cash portion. |
| 2 | Tax paid by utilizing Input Tax Credit (ITC) | NO | No interest is payable for delay in utilizing ITC, except if ITC was wrongly availed and utilized (see below). | Tax paid via ITC, no cash used. Return filed after due date. No interest on credit portion.
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| 3 | Wrongly availed but not utilized ITC | NO | Explanation to Rule 88B(3): ITC deemed utilized only when electronic credit ledger balance falls below wrongly availed amount. | Wrongly claimed ITC of Rs. 10,000 in April, but not utilized (credit ledger always >= 10,000). No interest payable.
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| 4 | Tax paid through Electronic Cash Ledger after due date, cash deposited after due date | YES | Interest is payable on the portion of tax paid from cash ledger for the period of delay. | Due date: 20th July. Tax deposited: 23rd July. Return filed: 25th July. Interest on cash portion from 21st to 25th July. |
| 5 | Return furnished after due date, but before initiation of proceedings under Section 73/74/74A | YES (with cash ledger rule) | Interest only on portion paid from cash ledger (see above), per Rule 88B(1). | Refer S. No. 1 and 2 for cash/credit portion treatment. |
| 6 | Return filed after due date and after initiation of proceedings under Section 73/74/74A | YES (Full) | Interest on entire unpaid tax amount (cash and credit) for delay period, as proceedings initiated. | Due date: 20th July. Proceedings under S. 73 initiated: 22nd July. Return filed: 25th July. Interest on entire tax. |
| 7 | Wrongly availed and utilized ITC | YES | Rule 88B(3): Interest is payable on the amount of ITC wrongly availed and utilized, from date of utilization till date of reversal/ payment. | Wrongly claimed ITC of Rs.10,000, utilized via GSTR-3B in April, reversed in August. Interest from April to August. |
Key Explanations from Rule 88B:
- Proviso for Electronic Cash Ledger:
If amount is deposited in the cash ledger on/before due date but return filed late, and cash remains unused till return filing, no interest for the late filing on such amount.
- ITC Utilization:
Interest applies only on wrongly availed and utilized ITC, not on merely availed but unutilized ITC.
- After Initiation of Proceedings:
If return is filed after initiation of proceedings under Section 73/74/74A, interest is payable on the entire tax (cash + credit), not just cash.
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Reference: Rule 88B, CGST Rules, as amended up to 10-07-2024
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