Key takeaways
- Business use alone does not overcome an express section 17(5) block.
- Each blocked category contains definitions and exceptions that must be tested separately.
- Motor-vehicle eligibility depends on seating capacity, vehicle type and specified onward use.
- Construction on own account can remain blocked even when capitalised outside the building account.
- The 2025 amendment replaced plant-or-machinery with plant-and-machinery retrospectively from 1 July 2017.
How should section 17(5) be tested?
Start with the exact inward supply, recipient, use and invoice period. Identify the clause that could block it, then test every exception and definition. Avoid broad ledger rules such as “all repairs allowed” or “all employee costs blocked.”
Which motor-vehicle credits are blocked?
The block covers specified passenger motor vehicles with approved seating capacity not more than thirteen persons including the driver, vessels and aircraft, plus related insurance, servicing and repair in stated circumstances. Exceptions include further supply, passenger transport, driving/flying/navigation training and transport of goods where the text provides.
Keep registration certificate, seating capacity, use evidence and outward-supply classification. A vehicle allocated to sales staff does not become eligible merely because it facilitates business.
How are food, insurance and employee benefits treated?
Food and beverages, outdoor catering, beauty treatment, health services, cosmetic/plastic surgery, leasing/renting/hiring of specified vehicles, life insurance and health insurance are named categories, subject to exceptions. Credit can be available where used for making an outward taxable supply of the same category or as an element of a taxable composite/mixed supply. A further proviso addresses employer obligations under law.
For canteens or insurance, retain the labour-law provision, applicability threshold, employee population, recovery treatment and supplier invoices.
What is blocked for construction and works contracts?
Works-contract services for construction of immovable property are blocked except where used for further supply of works-contract service. Goods or services used for construction on own account are also blocked, even when used in business, to the extent capitalised. “Construction” includes reconstruction, renovation, additions, alterations or repairs to the extent capitalised.
The explanation to plant and machinery excludes land, buildings and other civil structures, telecommunication towers and pipelines outside factory premises. The retrospective wording change to “plant and machinery” should be applied with the exact current text, not older summaries built around the broader phrase “plant or machinery.”
What other clauses are often missed?
| Category | Control question |
|---|---|
| Composition tax | Was tax paid under section 10? |
| Non-resident taxable person | Is it imported goods, the main exception? |
| Personal consumption | Can business use be evidenced and apportioned? |
| Lost/stolen/destroyed/written off | Is quantity and date documented? |
| Gifts/free samples | Is it a genuine commercial supply or free disposal? |
| Enforcement tax | Was tax paid under the specified demand/confiscation provisions? |
What is a practical decision tree?
- Is the inward supply covered by any clause (a) to (i)? If no, continue ordinary eligibility.
- If yes, is a textual exception satisfied?
- Is the exception proved by documents and outward use?
- Is partial apportionment required?
- Was the permanent reversal reported and interest assessed where credit was utilised?
What mistakes recur?
The common failures are relying on business purpose alone, applying a company-wide policy without invoice facts, ignoring seating capacity, treating a voluntary HR policy as a legal obligation, claiming civil construction as machinery, omitting free samples, and posting blocked credit as a temporary reclaimable reversal.
What records should support the conclusion?
Maintain an invoice-level blocked-credit register with clause, facts, exception, evidence, tax amount, return period and reviewer. Link capital projects to drawings and asset registers, vehicles to registration/use data, and employee benefits to the legal mandate. Review the register when facts or the law change.
Primary sources
Frequently asked questions
Is ITC allowed merely because an expense is for business?
No. Section 16 eligibility is subject to section 17(5). Business purpose is necessary in many cases but cannot override a specific blocked-credit clause.
Is ITC on a company car always blocked?
No. Test seating capacity, vehicle type and the statutory exceptions such as further supply, passenger transportation or driving training. Ordinary executive cars commonly remain blocked.
Can employer-mandated insurance qualify?
A specific proviso can permit named employee-benefit credits where the employer is obligated under law to provide them. Keep the legal obligation and invoice population documented.
Is ITC on factory construction allowed as plant?
Do not use a label alone. Test whether the item is immovable property, whether it falls within the statutory plant-and-machinery explanation, and whether exclusions such as civil structures apply.
What happens to ITC on goods written off?
Credit on goods lost, stolen, destroyed, written off, gifted or supplied as free samples is blocked to the extent covered by clause (h), with return and ledger treatment documented.
Where are blocked-credit reversals reported?
Circular 170 treats section 17(5), Rule 42 and Rule 43 reversals as permanent reversals in GSTR-3B Table 4(B)(1), subject to the current return design.
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