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Published on:

October 16, 2025

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Input Tax Credit Validity and FAQ

For each GST registrant, an input tax credit (ITC) claim can significantly reduce the total tax amount. This allows businesses to receive GST loans for GST. However, there are certain rules regarding the validity of tax credits, such as time limits, approvals, and conditions that must meet the criteria. In this article, we'll explain a simple terminology about who can claim ITC if you're not allowed to respond to some of the most common FAQs of input tax credit, so that you can easily maintain GST-compliant .

What does Input Tax Credit (ITC) mean?

Picture yourself running a small business where you purchase raw materials, services, or goods to manufacture your final product.You pay GST on these purchases. Later, when you sell your product to a customer, you also collect GST from them.

Now here’s where ITC helps: The GST you paid while buying things for your business is called input tax, and the GST you collect from your customers is output tax. The government allows you to subtract the input tax from the output tax, so you only pay the remaining amount.

This benefit is called Input Tax Credit. It’s like getting a refund or discount on the tax you’ve already paid while running your business.

Example:

You paid ₹1,000 GST on raw materials and collected ₹1,500 GST from your customer. Instead of paying ₹1,500 to the government, you only pay ₹500 (₹1,500 - ₹1,000).

Who Can Claim Input Tax Credit?

Registered under GST: Only those who are registered under the Goods and Services Tax (GST) can claim ITC. If you're not registered, you're not eligible.

Goods/Services Used for Business: The purchases or services on which you're claiming ITC must be used for business purposes, not for personal use.

Tax Invoice or Document is Available: You must have a valid tax invoice or debit note from the supplier as proof of GST paid.

Supplier Has Paid GST: The supplier must have actually paid the GST to the government and filed their returns properly.

You Have Received the Goods or Services: You can only claim ITC if the goods or services have been delivered to you or received on your behalf.

Returns Must Be Filed: You must file your GST returns (like GSTR-3B) regularly to be eligible for claiming ITC.

Payment Made Within 180 Days: If you haven’t paid your supplier within 180 days of the invoice date, the ITC claimed needs to be reversed until payment is made.

Conditions to Claim ITC

GST Registration is a Must: You must be registered under GST to be eligible for claiming ITC.

Valid Tax Invoice or Debit Note: You should have a proper tax invoice, debit note, or any other prescribed document as proof.

Goods or Services Must Be Received: ITC can only be claimed if you have actually received the goods or services.

Supplier Has Filed GST Returns: The supplier must have filed their GSTR-1 and paid the GST to the government.

Use for Business Purposes Only: ITC can only be claimed on purchases used for business, not for personal or non-business use.

Timely GST Return Filing: You must file your GSTR-3B return for the period in which you want to claim the ITC.

Payment to Supplier Within 180 Days: You must pay the supplier (including GST) within 180 days from the invoice date. If not, ITC will be reversed.

ITC Must Reflect in GSTR-2B: The input tax credit should appear in your GSTR-2B form (auto-drafted by the portal) for that period.

Time Limit for Claiming ITC

Claim ITC Before Due Date of September Return: ITC for any invoice or debit note of a financial year must be claimed by the earlier of:

30th November of the following financial year, or

The date of filing the annual return (GSTR-9), whichever is earlier.

Late Claim = No Credit: If you miss this deadline, you lose the right to claim ITC on those invoices forever.

Example: If you have an invoice dated 15th March 2024, you must claim ITC on it by 30th November 2024 or before filing GSTR-9 for FY 2023-24—whichever comes first.

Monthly GSTR-3B is Mandatory: You must also file your monthly GST return (GSTR-3B) for the month you are claiming the credit in.

Documents Required for ITC

Tax Invoice Issued by Supplier: This is the main document showing the GST amount paid on your purchases.

Debit Note Issued by Supplier (if any): If the original invoice value is increased later, a debit note must be available for claiming additional ITC.

Bill of Entry (for Imports): If you’re importing goods, you need the Bill of Entry to claim ITC on IGST paid.

Invoice from Reverse Charge Transactions: For goods or services covered under reverse charge, you must have a self-issued invoice and proof of GST payment.

ISD Invoice (for Input Service Distributors): If you receive input services through an ISD, you need an invoice or credit note issued by the distributor.

Proof of Receipt of Goods/Services: Delivery challans, transport documents, or acknowledgment of service received may be needed.

GSTR-2B Statement (System Generated): The invoice or debit note should be visible in your GSTR-2B for that period to claim ITC.

When is ITC Not Allowed?

You can’t claim Input Tax Credit (ITC) on things you buy just for personal use—only purchases meant for your business count. Also, if you buy goods or services that don’t fall under GST, ITC won’t apply. If the seller isn’t registered under GST, you won’t be able to claim ITC on those purchases either. When you use goods or services for activities that are exempt from GST, like certain non-taxable services, ITC can’t be claimed. It’s important to have a proper invoice or document; without that, claiming ITC isn’t possible. Lastly, if you don’t pay your supplier within 180 days, you’ll have to reverse the ITC you claimed on those purchases.

Reversal of ITC – When and Why?

You need to reverse the ITC in a few cases. First, if you don’t pay your supplier within 180 days from the invoice date, the ITC you claimed must be given back. Second, if you end up using the goods or services for personal or non-business reasons, you have to reverse the ITC. Third, if the ITC was claimed by mistake or with invalid documents, it needs to be reversed as well. Lastly, if the goods or services are used for exempt supplies (things not taxed under GST), the ITC on those must also be reversed.

Conclusion

In short, Input tax credit (ITC) is a powerful tool for businesses that helps reduce their total tax burden by charging GST credits paid for the company's purchases. To use the best ITC, businesses must comply with certain rules, time limits and conditions of the GST Act. Ensure that it fits and correct documentation is key to maximizing the benefits of ITC. If you follow your invoice, supplier payments, GST returns, whether you are a small business owner or a large business, your GST trip can make your GST smoother and more efficient.

FAQ’s

1. What is Input Tax Credit (ITC)?

ITC allows businesses to reduce the GST they paid on business purchases from the GST they owe on sales.

2. Who can claim ITC?

GST-registered businesses can claim ITC for purchases used for business purposes.

3. What documents are required to claim ITC?

A valid tax invoice, debit note, Bill of Entry (for imports), and GSTR-2B are needed.

4. Can ITC be claimed on personal purchases?

No, ITC can only be claimed on purchases used for business, not for personal use.

5. Is there a time limit to claim ITC?

ITC must request by November 30th of the next fiscal year or before filing an annual return.

6. Can I claim ITC if my supplier has not paid GST?

No, ITC can only claim if the supplier pays GST and submits a return.

7. When is ITC not allowed?

ITC is not permitted for non-GST products, purchases, or products for personal use.

8. What happens if I don't pay the supplier within 180 days?

If payment is not made within 180 days, the ITC insists that it must be reversed.

9. Can I claim ITC on exempt goods or services?

No, ITC cannot be claimed for purchases used in making exempt supplies.

10. What if I claimed ITC on a wrong invoice?

If ITC was claimed incorrectly, it needs to be reversed and corrected.

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