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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteShort answer: A GST-registered business in India can generally claim input tax credit (ITC) on GST charged for goods or services used, or intended to be used, in the course or furtherance of business. The credit is not automatic. You need an eligible tax document, actual receipt of the supply, satisfaction of the statutory tax-payment and return conditions, compliance with the time limit, payment to the supplier within 180 days for ordinary purchases, and a check for business-use, exempt-supply and blocked-credit restrictions.
This guide explains the central CGST framework for small businesses. State or Union Territory enactments, transaction-specific notifications, later amendments and portal procedures can change the result for particular facts, so unusual or historic transactions should be reviewed under the law in force for that period.
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What GST input tax credit does
ITC allows a registered person to offset eligible GST paid on business inputs against GST collected on taxable outward supplies. Section 16(1) of the Central Goods and Services Tax Act, 2017 describes the core entitlement: a registered person may take credit of input tax charged on supplies used or intended for use in the course or furtherance of business, subject to prescribed conditions and restrictions.
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ITC is therefore a conditional entitlement, not a reimbursement of every GST-bearing expense. The purchase must pass both the general eligibility test and the specific restrictions in the Act and rules. A business also has to retain evidence showing what it bought, why it was bought, when it was received and how the statutory conditions were met.
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Who can claim ITC?
The claimant must be a registered person and the GSTIN claiming the credit must be the entity that received the supply. A proprietor, partnership, company, trust or other registered entity should not claim an invoice belonging to a different legal entity or GST registration merely because the expense was paid from the same bank account.
Business purpose is the first filter
Goods and services must be used, or intended to be used, in the course or furtherance of business. A purchase used entirely for personal purposes fails this test. If an item serves both business and personal purposes, only the business portion can be retained; the private portion must be excluded or reversed under the prescribed apportionment rules.
All section 16(2) conditions work together
Section 16(2) sets cumulative conditions. In practical terms, check that you have:
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- actual receipt of the goods or services;
- tax charged on the supply has been paid to the government through the statutory mechanism, subject to the applicable legal framework; and
- the required GST return has been furnished.
Failure of one condition can prevent or postpone the claim even when the purchase is plainly related to the business. For goods received in lots or instalments, the Act places the claim after the final lot is received. Where goods are delivered to another person on the registered recipient’s direction, the law can deem receipt by the recipient; keep the delivery instruction and proof of delivery.
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Documents and evidence to retain
CBIC rules recognise supplier invoices, debit notes, bills of entry and specified Input Service Distributor documents among the documents that can support ITC. The document must contain the particulars required by the invoice rules and should identify the correct supplier, recipient GSTIN, taxable value, tax rate and tax amount.
Minimum practical file for each claim
- Source document: the invoice, debit note, bill of entry or applicable ISD document.
- Receipt evidence: delivery challan, goods-received note, service completion record, email acceptance, transport record or another record appropriate to the supply.
- Business-purpose evidence: purchase order, contract, project reference, stock record, expense approval or other explanation linking the item to operations.
- Payment trail: bank statement, payment advice, vendor ledger and ageing report, particularly for the 180-day supplier-payment test.
- Reconciliation evidence: the return working and comparison with supplier-reported details and current portal data.
The law does not prescribe one universal extra-document checklist for every industry. The right evidence depends on the transaction. A service business may need a contract and completion confirmation; a retailer may need a goods-received note and inventory entry; an importer should retain the bill of entry and customs records.
How to claim ITC: a small-business workflow
- Confirm the claimant. Verify the GST registration, legal name and GSTIN that received the supply. Separate invoices for branches or entities registered under different GSTINs.
- Validate the document. Check invoice number and date, supplier GSTIN, recipient details, description, taxable value, tax breakup, place-of-supply information where relevant, and any reverse-charge indication. Correct errors with the supplier rather than altering the document yourself.
- Prove receipt. Match the invoice to a delivery record, goods-received entry or service acceptance. If goods arrive in lots, mark the date the last lot was received before claiming the credit.
- Classify use. Tag the purchase as exclusively taxable-business, exempt-business, mixed business/non-business, or potentially blocked under section 17(5). Do not put mixed or uncertain items into the fully eligible bucket.
- Check the supplier-payment clock. Record the invoice date and the date on which the value plus tax is paid. Ordinary invoices still unpaid after 180 days require the prescribed reversal and interest treatment.
- Reconcile before filing. Compare your purchase register with current portal data and the supplier’s reported details. Investigate missing, duplicated, amended or mismatched invoices before using the credit.
- Apply the deadline test. Identify the financial year of the invoice or debit note and the date the relevant annual return was furnished. The later amended rule uses the earlier of those two events and the statutory 30 November cut-off described below.
- Review special rules. Escalate imports, reverse-charge supplies, construction, motor vehicles, employee benefits, business transfers, cancellations and historic periods for transaction-specific review.
ITC time limit: the current general rule
CBIC Circular 237/31/2024-GST, dated 15 October 2024, reproduces the amended section 16(4) wording. For an invoice or debit note, the general bar is 30 November following the end of the relevant financial year or the date of furnishing the relevant annual return, whichever is earlier.
For example, an invoice pertaining to financial year 2025–26 ordinarily falls within the 30 November 2026 cut-off, unless the relevant annual return was filed earlier. The date is not a blanket extension for every old invoice: section 16(5) and section 16(6) address specified historic periods and circumstances. Check whether a particular invoice falls within those provisions instead of assuming exceptional relief applies.
Older FAQ search results may show a September-based deadline. That wording should not be used as the unqualified current general rule where the later amended provision and 2024 circular apply. Filing mechanics and special notifications can still affect a particular case.
The 180-day supplier-payment rule
If a recipient has availed ITC but does not pay the supplier the value of the supply plus tax within 180 days of the invoice date, the Act requires an amount equal to the credit availed to be added to output tax liability with interest in the prescribed manner. The rules specify how the adjustment is reported.
After the recipient pays the supplier, the credit can be re-availed. Maintain an ageing report that identifies invoices approaching 180 days and records payments against the exact invoice. The statutory proviso excludes reverse-charge supplies, so do not apply the ordinary supplier-payment test mechanically to a reverse-charge transaction; use the rules for that mechanism.
Section 17 restrictions: purchases that need special screening
Even when an invoice and receipt are present, section 17 can require apportionment or block the credit. The following are common screening categories, not a substitute for reading the precise clause and its exceptions.
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Exempt and non-business use
Credit attributable to exempt supplies is restricted, and credit attributable to non-business use is not available. Shared inputs and input services used for taxable and exempt supplies, or for business and private purposes, require the prescribed attribution and reversal calculations. The rules also require an annual final calculation, so keep a method that can be reproduced from your turnover and usage records.
Motor vehicles and related costs
Credit is blocked for specified motor vehicles and related goods or services, subject to statutory exceptions. The result can differ where the vehicle is used for permitted activities such as transportation of passengers or training. Document the vehicle’s permitted business use and check the exact vehicle category before claiming.
Food, hospitality, health and personal services
Food and beverages, outdoor catering, beauty treatment, health services, cosmetic or plastic surgery and related categories are commonly restricted. Exceptions can apply, including where the employer is legally required to provide a service or where the same category is used to make an outward taxable supply. A routine staff meal and a catering service resold to customers should not be treated identically.
Memberships and employee travel benefits
Club, health and fitness-centre membership and certain employee travel benefits are generally blocked, subject to exceptions. Keep the policy, statutory requirement or outward-supply link supporting any exception relied upon.
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Works contracts and construction
ITC is generally restricted for works-contract services used to construct immovable property and for goods or services used to construct immovable property on the business’s own account. The statutory exceptions and the meaning of construction and immovable property are important. A fit-out, repair or plant installation should be classified from the actual contract and asset facts, not from the vendor’s description alone.
Composition-tax supplies
GST paid on goods or services taxed under the composition scheme does not generate ordinary ITC for the recipient. Check the supplier’s tax status and the nature of the document before posting credit.
Personal consumption, gifts and losses
Credit is blocked for personal consumption and for goods lost, stolen, destroyed, written off or disposed of by gift or free samples. A stock-loss report, insurance claim or marketing label does not by itself restore credit that section 17(5) denies.
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Demand and enforcement situations
The Act also names specific tax paid in demand or enforcement circumstances as blocked. These cases should be reviewed with the underlying order and payment record rather than coded as ordinary purchase ITC.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Capital goods and depreciation: avoid a double benefit
A business cannot claim GST credit on the tax component of capital goods or plant and machinery if it has claimed income-tax depreciation on that same tax component. Decide the treatment when the asset is capitalised: either exclude the GST component from the depreciation base and claim eligible ITC, or do not claim ITC on that component. Preserve the fixed-asset register and tax depreciation working to demonstrate the choice.
Eligible, apportioned and blocked: a practical classification table
| Purchase pattern | Typical treatment | Control to perform |
|---|---|---|
| Office software used entirely in taxable business | Potentially eligible, subject to section 16 conditions | Keep invoice, proof of receipt, business-use record and reconciliation |
| Input shared between taxable and exempt sales | Apportion and reverse the exempt portion under the rules | Retain the allocation working and annual true-up |
| Employee’s personal purchase reimbursed by the business | Not eligible as personal consumption | Separate private reimbursements from business expenses |
| Goods received in instalments | Claim after the final lot is received | Link the invoice to each delivery and final receipt date |
| Ordinary invoice unpaid for more than 180 days | Reverse or add the availed credit with prescribed interest; re-avail after payment | Run vendor ageing and document settlement |
| Capital asset with depreciation on GST component | ITC unavailable on that tax component | Reconcile fixed-asset and depreciation registers |
| Composition-tax invoice | Ordinary ITC is blocked | Verify supplier scheme status and document type |
Common mistakes and how to correct them
- Claiming from a purchase register alone: reconcile the document, receipt and supplier data before filing.
- Using an invoice issued to another GSTIN: obtain a correctly issued document or follow the legally permitted correction process.
- Claiming on order date: wait for actual receipt, including the final instalment where applicable.
- Ignoring mixed use: flag shared expenses at entry so the prescribed reversal is not forgotten at year-end.
- Letting invoices age unnoticed: monitor the 180-day date and record any reversal and later re-availment.
- Relying on an old deadline: apply the amended 30 November/annual-return rule and check historic provisions.
- Capitalising GST and claiming both benefits: align the ITC decision with the income-tax depreciation schedule.
- Treating every exception as automatic: retain the legal or factual evidence that supports an exception for vehicles, food, construction or employee benefits.
When professional review is prudent
Obtain transaction-specific advice for immovable-property projects, vehicles, employee facilities, imports, reverse charge, mergers or business transfers, cancelled registrations, large exempt-sales ratios, old periods affected by sections 16(5) or 16(6), and any notice or demand. The central framework is national, but State or Union Territory provisions, notifications and portal instructions must be checked against the facts and period involved.
For routine purchases, a disciplined invoice register, receipt evidence, vendor ageing, monthly reconciliation and section 17 screening will prevent most avoidable errors. The objective is not to claim the maximum amount on the books; it is to claim only the credit that can be supported through the full statutory chain.
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