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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteIndia’s revised GST rates generally apply from 22 September 2025, but the correct rate still depends on the exact product or service classification and the applicable notification. A rate change does not erase correctly charged input tax credit (ITC) on earlier purchases. You may generally use credit already availed in your electronic credit ledger against output tax, subject to the CGST Act and rules; however, credit attributable to supplies that become exempt must be reversed as required by law. A change in rates over time for the same goods does not, by itself, create an inverted-duty refund.
What changed on 22 September 2025?
The Ministry of Finance FAQ on the 56th GST Council decisions, published 3 September 2025, says revised rates for specified goods and services took effect on 22 September 2025. The FAQ identifies certain tobacco products as an exception: they were to continue under their existing GST and compensation-cess rates until a later date notified by the government. You should therefore not assume that every product moved to a new rate on the same day.
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The change did not alter GST registration thresholds. A 21 September 2025 PIB explainer confirmed that the revised rate schedule and the registration-threshold rules were separate matters. The current rate for an individual item must be checked against its Harmonised System of Nomenclature (HSN) or Service Accounting Code (SAC), the item’s description and the latest rate notification. There is no single rate table that can safely answer every small business’s question.
The Ministry FAQ puts the basic principle plainly: “GST is levied on supply.” That means the tax treatment follows the taxable supply and the statutory time-of-supply rules, not simply the date on which you bought or stocked an item.
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Which GST rate should you charge?
Goods already in stock
For outward supplies made on or after the effective date, the FAQ says the revised rate applies even when the goods were purchased or manufactured earlier and were sitting in inventory. Your purchase date does not freeze the selling rate. Determine the rate applicable to the supply you make, record the correct HSN, and issue the invoice using the rate in force for that supply.
Invoices, deliveries and payments around the change
A transaction that spans 22 September 2025 cannot always be answered by looking only at the invoice date. Section 14 of the CGST Act contains special time-of-supply rules for a change in tax rate. The result can depend on the date of supply, the date of invoice and the date of payment, including which event occurred before or after the change. The FAQ gives examples for some combinations and directs taxpayers to section 14 for the remaining cases.
- Identify whether the transaction is a supply of goods or services and establish the legally relevant supply date.
- Record the invoice date and the date on which payment was received or made, as applicable.
- Check the section 14 rule for that particular combination of events.
- Confirm the item’s current HSN or SAC classification and rate notification before issuing or amending the invoice.
- Keep evidence supporting the classification and timing decision with the transaction records.
If a customer disputes the rate, show the classification and the time-of-supply analysis rather than relying on the date you purchased the stock.
What happens to ITC on purchases made before the rate change?
A registered person may claim tax charged on an inward supply used, or intended to be used, in the course or furtherance of business, provided all other conditions and restrictions in the CGST Act and rules are satisfied. Where the supplier correctly charged tax at the rate applicable when the inward supply occurred, the later rate revision does not automatically reduce that tax into a smaller credit.
This is a conditional entitlement, not an automatic write-off of every purchase tax amount. You still need the required tax invoice or document, receipt of the goods or services, appropriate reporting and reconciliation, payment of tax by the supplier where required, and compliance with the statutory time limits and restrictions. Blocked credits and other exclusions under the Act remain blocked even if the rate later changes.
| Situation | General treatment | What to verify |
|---|---|---|
| Input purchased and correctly taxed before 22 September 2025 | The tax amount does not become a lower credit merely because the rate later changed. | Invoice validity, business use, receipt, reporting and all section 16 and rule conditions. |
| Input purchased after 22 September 2025 | Claim the tax actually and correctly charged under the rate applicable to that inward supply. | Current classification, supplier invoice and eligibility restrictions. |
| Input linked to an exempt outward supply | Credit attributable to exempt supplies must be reversed or otherwise adjusted as required by the Act. | Whether the output is exempt, the attribution calculation and the applicable rule. |
| Blocked or restricted credit | A later rate change does not make an ineligible credit claimable. | Specific statutory restriction, including the relevant category and exception. |
Can you use ITC already in the electronic credit ledger?
Generally, yes. The Ministry FAQ says duly availed credit in the electronic credit ledger may be used to discharge output tax liability, subject to section 49(4) of the CGST Act and the rules governing utilisation. A rate revision does not itself reset or cancel a balance that was validly availed.
Before using the balance, separate three questions that are often mixed together:
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- Is the proposed output tax liability eligible for payment from that credit? Utilisation follows the statutory order and the rules for IGST, CGST and SGST or UTGST balances.
- Has the related outward supply become exempt? If so, the portion attributable to exempt supplies must be reversed as required by the Act.
Do not describe the entire ledger balance as permanently usable without checking attribution. Credit connected with taxable or zero-rated business can have a different treatment from credit connected with exempt turnover or non-business use.
What if your sales became exempt from 22 September 2025?
The official FAQ distinguishes credit already availed from credit attributable to exempt outward supplies. If an outward supply became exempt from 22 September 2025, ITC must be reversed in the manner required by the CGST Act and rules for supplies from that date. The calculation may require common-credit attribution where inputs or input services support both taxable and exempt supplies.
Practical reversal workflow
- List the supplies whose tax treatment changed and identify the exact effective date for each.
- Map direct inputs and input services to taxable, zero-rated, exempt and non-business uses.
- Calculate common credit using the prescribed statutory formula and period, rather than an informal percentage.
- Post the reversal in the return and ledger field required by the current form and instructions.
- Retain the working papers, turnover figures, invoices and classification evidence for audit or departmental queries.
If the same item has both taxable and exempt variants, document the stock movement and sales mapping. A blanket reversal of every credit, or retaining every credit without attribution, can both produce an incorrect return.
Can a GST rate change create an inverted-duty refund?
Not merely because the rate changed while you held stock. Under the section 54(3) framework described in the Ministry FAQ, an inverted-duty refund concerns accumulated ITC where the tax rate on inputs is higher than the rate on the outward supplies. The FAQ specifically says that a temporal difference— the same goods having one rate before the change and another rate later—does not by itself qualify under that inverted-duty category.
| Pattern | Inverted-duty analysis |
|---|---|
| Inputs are taxed at a higher rate than the taxable output supplies in the same period, creating accumulated credit | Potentially within the statutory inverted-duty category, subject to section 54(3), exclusions, calculation and documentary requirements. |
| The input and output are the same goods, but their rates changed at different times | The time-based difference alone is not the specified inverted-duty condition. |
| Output supply becomes exempt | Consider the required ITC reversal and the applicable refund category; do not label the result an inverted-duty refund automatically. |
| Zero-rated export supply with payment of tax | Assess the refund route for the export transaction and current procedural rules separately. |
Before filing, establish the input and output classifications, the rates applying in the relevant period, the eligible net ITC and turnover figures, and any statutory exclusions. A stock loss caused by a lower selling rate is not, on its own, proof of an eligible refund.
What provisional refund facility was announced?
The GST Council’s September 2025 release announced that a risk-based provisional process for inverted-duty refunds equal to 90% of an eligible claim would be operationalised from 1 November 2025, pending statutory amendments and through administrative instructions. This is an announced facilitation measure, not a guarantee that every claim receives 90% or that the process operates identically in every case today.
Check the current notification, portal functionality, risk parameters, documentation list and reconciliation requirements before filing. The provisional amount remains subject to verification and adjustment against the final admissible refund. Do not treat the announcement as permission to bypass the normal eligibility test under section 54(3).
What about low-value export refunds?
The same Council release recommended removing the threshold limit for refunds on low-value export consignments made with payment of tax, particularly to assist small exporters using courier or postal channels. The release describes this as a recommended amendment to the CGST Act. It does not, by itself, establish that every procedural step is already in force.
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Exporters should therefore confirm whether the amendment and related rules have been notified, which evidence the courier or postal channel must provide, and which return or refund form is currently enabled. Until then, apply the operative threshold and procedure shown in the latest official instructions.
New registration options for small businesses
Optional simplified registration for low-risk applicants
The Council described an optional simplified registration route for low-risk applicants who assess that their output tax liability on supplies to registered persons will not exceed ₹2.5 lakh per month, including CGST, SGST or UTGST and IGST. The release said the route would be operationalised from 1 November 2025, with automated registration within three working days. It projected that the scheme would benefit around 96% of new applicants applying for GST registration.
That 96% figure is a Council estimate of expected reach, not an independently verified result. Eligibility, documentary requirements, risk checks and actual portal behaviour must be confirmed in the current instructions. The scheme is optional; an applicant whose facts do not fit the conditions should use the ordinary registration process rather than selecting the simplified route solely for speed.
Suppliers using e-commerce operators across states
The Council also approved in principle a simplified mechanism for small suppliers using e-commerce operators across multiple states. The release said detailed modalities would be placed before the Council. An in-principle approval is not the same as a fully specified operating scheme. Confirm the later notification, state coverage, turnover conditions, operator responsibilities and return process before relying on it.
How to manage the transition in your books and returns
- Build a rate-change register. For each SKU or service, record HSN or SAC, old rate, new rate, effective date, exemption status and the notification supporting the classification.
- Segment transactions by supply date. Flag invoices, payments and deliveries around 22 September 2025 for a section 14 time-of-supply review.
- Reconcile purchase ITC. Match supplier invoices and reported data, then remove blocked, duplicate or otherwise ineligible credits.
- Review inventory. Apply the rate for the outward supply to stock sold after the effective date; do not alter the original purchase invoice.
- Test exemption changes. Identify direct and common inputs connected with supplies that became exempt and compute any required reversal.
- Evaluate refunds by category. Distinguish genuine input-rate inversion, zero-rated exports, excess cash balance and other statutory grounds from a mere timing difference.
- Update systems and staff instructions. Change tax codes, invoice templates, e-commerce listings and approval checks only after confirming the current notification.
- Preserve an audit trail. Keep classification decisions, rate notifications, calculations, correspondence and return workings together.
Common mistakes and how to correct them
Using the purchase rate for a later sale
Problem: A business sells old stock at the old rate because it bought that stock before 22 September 2025.
Correction: Determine the rate for the outward supply using the effective date and section 14 where necessary. The purchase date does not decide the selling rate.
Reducing old ITC because the rate fell
Problem: The ledger is adjusted down to match the new rate.
Correction: Retain correctly charged input tax subject to normal eligibility conditions. A later rate change is not itself a credit-reduction rule.
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Problem: The business treats a valid historical credit as immune from every reversal.
Correction: Attribute credit to taxable, zero-rated, exempt and non-business uses and reverse the portion required by the Act.
Calling any stock-related loss an inverted-duty refund
Problem: A lower rate on sales creates unsold inventory or a margin squeeze, and the business files an inverted-duty claim automatically.
Correction: Test whether input rates exceed output rates in the statutory sense and whether all section 54(3) conditions are met. A rate change over time for the same goods is not enough.
Treating an announcement as a live procedure
Problem: The business relies on the announced 90% provisional refund, low-value export amendment or simplified registration route without checking implementation.
Correction: Verify the latest notification, circular, portal instructions and effective date before filing or advising customers.
Which guidance should you check now?
The detailed transition answers come from the Ministry of Finance FAQ for the 56th GST Council meeting, published 3 September 2025. The Council’s September 2025 release contains the provisional-refund and registration announcements, and the PIB explainer dated 21 September 2025 corroborates the 22 September effective date and unchanged registration thresholds.
The GST Council FAQ index lists a 57th-meeting FAQ dated 8 October 2026. Its substantive text was not available in the material reviewed here, so it should be checked before you describe any later guidance as the latest position. Also check current CBIC rate notifications and return instructions: classifications, exemptions, forms and portal procedures can change after the original FAQ.
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A decision guide for your next return
| If your fact pattern is… | First question | Likely action |
|---|---|---|
| Sale made after 22 September 2025 from pre-change stock | What rate and classification apply to the outward supply? | Invoice at the applicable current rate; retain the purchase ITC if otherwise eligible. |
| Invoice, supply and payment straddle the change | Which section 14 time-of-supply combination applies? | Apply that statutory rule and document the conclusion. |
| Output became exempt | Which ITC is directly or commonly attributable to exempt turnover? | Reverse the required amount under the Act and rules. |
| Inputs taxed above taxable outputs in the same period | Does the claim meet section 54(3) and the formula? | Assess an inverted-duty refund, including current provisional-process instructions. |
| Only the rate changed over time for the same goods | Is there any independent statutory refund ground? | Do not claim inverted-duty refund solely on that timing difference. |
| New low-risk applicant | Do the ₹2.5 lakh monthly registered-supply liability condition and all current criteria fit? | Consider the optional simplified route after confirming live portal rules. |
Bottom line for an owner or operator
Use the rate applicable to each supply, not the rate on the date you bought the stock. Keep correctly charged purchase ITC when the CGST Act and rules allow it, and use a valid ledger balance subject to utilisation rules. Reverse credit attributable to supplies that become exempt. Treat an inverted-duty refund as a specific statutory remedy for input rates exceeding output rates—not as compensation for a rate change over time. Finally, regard the 2025 Council measures as useful facilitation announcements whose eligibility and operation must be confirmed against the latest official notifications, including the 57th-meeting FAQ listed for 8 October 2026.
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