Identify why the money is being charged
Interest, late fee or penalty for delayed payment of consideration for a supply is included in its value under section 15(2)(d) of the CGST Act. The addition has its own receipt-based time of supply under section 12(6) for goods or section 13(6) for services. Calling the amount interest, issuing a separate invoice or using a finance-income ledger does not by itself turn a supplier’s charge into exempt lending interest.
Use the supplier-versus-lender distinction accurately
CBIC Circular 102/21/2019-GST dated 28 June 2019 compares a seller’s delayed-payment charge with a separate lender’s loan interest. The seller’s charge is included in the value of its taxable supply irrespective of the invoicing arrangement described in that circular. Interest on a genuine loan can fall within the relevant exemption, subject to its conditions; credit-card interest and fees have distinct treatment. Do not infer a separate lending transaction merely from a seller’s accounting entry.
A later clarification must also be read. CBIC Circular 245/02/2025-GST dated 28 January 2025 states that no GST is payable on penal charges levied by regulated entities in compliance with the specified RBI directions for non-compliance with material loan terms. This is a defined lending context, not a blanket exclusion for every amount called a penalty. It should not be used to erase section 15(2)(d) from an ordinary trading invoice. Sources were checked on 22 October 2026.
Separate demand, receipt and the original invoice
The statutory text of sections 12(6) and 13(6), reproduced from CBIC’s tax repository makes the date the supplier receives the addition relevant for that addition. Maintain a schedule of charge notices/debit documents, amounts actually received and amounts still open. Do not automatically use the original sale date or the date an unpaid interest receivable is accrued as the receipt event. A non-cash settlement or adjustment needs analysis of its actual effect rather than an assumption that nothing was received.
This rule concerns the addition for delayed consideration. It does not postpone GST on the original supply until the customer pays the entire invoice. Keep the principal sale receivable, its original tax, the late-payment addition and tax on that addition distinguishable. Link the supporting document to the original invoice and reconcile its reporting with the relevant return period and current portal requirements.
Calculate the contractual charge and the GST separately
First establish the agreed charge base: taxable value, gross invoice balance or another legally supported contractual amount. Then apply the contractual rate, elapsed period and day-count convention. A contract may use a fixed monthly charge rather than a percentage. Do not substitute the GST Act’s statutory late-tax interest rate for the customer contract rate; they address different liabilities.
Next determine whether the amount recoverable is exclusive or inclusive of GST. For an exclusive charge C at rate r, tax is C × r. For a GST-inclusive recovery R, tax is R × r/(1+r). The rates used below are express assumptions for the underlying taxable supply, not a classification of all interest charges at 18%. If invoices involve different rates or tax jurisdictions, retain a supported allocation and the relevant CGST/SGST or IGST split. Rate changes, exemptions and special supplies require their own analysis.
Avoid both blanket taxation and blanket exemption
An ordinary supplier cannot treat every late-payment recovery as exempt loan interest. Equally, the 2019 circular’s reference to service fees should not be used as a rule to tax regulated-lender penal charges that fall within the later 2025 clarification. Determine the actual transaction and the current applicable authority. Liquidated damages unrelated to delayed consideration, cancellation fees and compensation for breach may raise different questions and are outside the computation cases here.
Worked illustrations
The following cases use fictional figures and stated assumptions. Amounts are Indian rupees unless a different unit is expressly shown. They illustrate preparation controls and do not represent real client results.
Illustrative example 1: an exclusive late-payment charge
Assume a supplier recovers a ₹10,000 charge exclusive of tax for delayed payment of an ordinary taxable supply subject to an assumed total GST rate of 18%. The addition to value is ₹10,000, GST is ₹1,800 and total recovery is ₹11,800. Do not apply 18% to ₹11,800 again when that amount already includes the tax.
Illustrative example 2: an inclusive recovery
Assume ₹11,800 is the agreed final GST-inclusive recovery for a late-payment addition at an applicable 18% rate. Value is ₹11,800/1.18 = ₹10,000 and GST is ₹1,800. Treating all ₹11,800 as taxable value would incorrectly compute ₹2,124 tax under these facts.
Illustrative example 3: part receipts in two periods
A supported late-payment charge is ₹9,000 exclusive of assumed 18% GST, giving ₹10,620 inclusive. The customer pays two equal, specifically allocated instalments of ₹5,310, one in October and one in November. Each receipt contains value ₹4,500 and tax ₹810. Subject to the stated facts and receipt rule, track ₹810 in each corresponding period rather than treating an unpaid demand alone as receipt of all ₹1,620.
Illustrative example 4: contractual interest with a stated day count
The contract charges 12% simple annual interest on an agreed base of ₹2,00,000 for 73 days using a 365-day year. The charge is ₹2,00,000 × 12% × 73/365 = ₹4,800. At an assumed applicable GST rate of 18%, tax is ₹864 and total recovery ₹5,664. The 12% is a fictional contract rate, not the statutory rate for delayed payment of GST.
Illustrative example 5: allocate recoveries to different underlying supplies
Assume a supported exclusive late-payment addition comprises ₹6,000 attributable to a supply taxed at 5% and ₹4,000 attributable to a different supply taxed at 18%, with no rate-change complication. GST is ₹300 plus ₹720 = ₹1,020; total recovery is ₹11,020. A blanket 18% on ₹10,000 would give ₹1,800, overstating tax by ₹780 under these facts.
Illustrative example 6: a regulated-lender penal charge has a different basis
Assume a ₹2,500 penal charge falls squarely within Circular 245’s specified regulated-entity loan-contract clarification and RBI compliance conditions. GST on that charge is zero and the charge remains ₹2,500. An ordinary supplier recovering a ₹2,500 exclusive delayed-payment addition at an applicable 18% rate instead has ₹450 GST and ₹2,950 total. The difference follows the transaction and authority, not the word penalty alone.
Ten-step verification table
| Step | Verification | Evidence to retain |
|---|---|---|
| 1 | Identify the underlying supply or genuine loan. | Contract and original transaction records. |
| 2 | Determine whether section 15(2)(d) applies. | Nature-of-charge conclusion. |
| 3 | Check the scope of the 2019 and 2025 circulars. | Applicable authority and factual conditions. |
| 4 | Confirm the charge base and contract rate. | Agreed payment clause and outstanding balance. |
| 5 | Recalculate the period and day-count basis. | Independent interest or fixed-charge working. |
| 6 | Establish the applicable GST rate and tax jurisdiction. | Underlying classification and place-of-supply evidence. |
| 7 | Identify whether recovery includes GST. | Terms, demand and inclusive/exclusive calculation. |
| 8 | Map each actual receipt or settlement. | Bank and adjustment allocation records. |
| 9 | Apply the addition’s time-of-supply rule. | Period-wise receipt and tax schedule. |
| 10 | Reconcile documents, return reporting and receivables. | Original invoice link and no-double-counting check. |
Sixteen practitioner FAQs
1. Is a supplier’s late-payment interest automatically exempt?
No. Section 15(2)(d) includes the specified delayed-consideration addition in the supply value.
2. Does a separate interest invoice establish exempt lending?
No. Circular 102 addresses substance irrespective of the seller invoicing arrangement in its example.
3. What determines the time of supply for this addition?
Sections 12(6) and 13(6) refer to the date the supplier receives the addition in value.
4. Does the receipt rule defer tax on the original supply?
No. The original supply retains its own applicable time-of-supply analysis.
5. Does accruing an unpaid receivable prove receipt?
Not by itself. Keep accrual, demand and actual receipt or settlement distinguishable.
6. Can settlement through an adjustment be ignored?
No. Examine the legal and accounting effect of the adjustment to determine the actual receipt or settlement facts.
7. Is the customer’s contract interest rate the statutory GST interest rate?
No. Contract charges and statutory interest for delayed tax payment are different computations.
8. Is every late-payment addition taxed at 18%?
No. Identify the underlying supply and applicable rate; 18% is only an assumption in the stated cases.
9. How is tax extracted from an inclusive amount?
Use recovery multiplied by r/(1+r), with the applicable rate expressed as a decimal.
10. Should a recovery spanning invoices be allocated?
Yes. Support the allocation, particularly where rates, jurisdictions or transaction types differ.
11. Does an original invoice’s GST need to be charged again?
Do not duplicate the original tax. Calculate and report the appropriate tax on the addition separately.
12. Are all lender penal charges taxable service fees?
No. Circular 245 expressly clarifies the specified regulated-entity penal-charge situation.
13. Can an ordinary supplier rely on Circular 245 just by calling a charge penal?
No. Its regulated-lender and RBI-direction conditions must actually apply.
14. Is credit-card interest covered by the ordinary lending exemption?
Do not assume so. The exemption and product-specific treatment require a separate check.
15. Are liquidated damages always delayed-payment additions?
No. Establish the nature of the payment; other breach or cancellation payments can require different analysis.
16. What records make the calculation reproducible?
Keep the contract base, charge period, rate, tax basis, original invoice, receipt allocation and reporting-period reconciliation together.
Organising the supporting working
Keep the underlying records, calculation and conclusion linked to the same entity and period. When organising work with assureTax and the assureOffice tools, retain these supporting schedules alongside the final output and use only the features confirmed for the version available to you.
Conclusion
Classify the transaction before applying a rate. A linked charge-and-receipt schedule keeps the supplier’s taxable addition distinct from lending exceptions and prevents the receipt rule from being applied to the wrong amount or period.