Blocked Credits under Section 17(5): What ITC You Cannot Claim (2026)

What are blocked credits?

Section 17(5) of the CGST Act lists situations where Input Tax Credit is not available even if you have a tax invoice and the supplier filed GSTR-1. Portal auto-population is not a free pass — blocked items must stay out of net ITC in GSTR-3B (or be reversed if wrongly claimed).

High-frequency blocked categories (study map)

Category	Teaching examples	Notes
Motor vehicles	Cars for personal/employee transport	Exceptions exist for certain transport/training businesses — read the clause carefully
Food, outdoor catering, beauty treatment	Staff meals, client parties (many cases)	Narrow exceptions may apply when mandated by law for employees
Membership of clubs / health / fitness	Club subscriptions	Generally blocked
Works contract / construction of immovable property	Office building construction (own account)	Plant & machinery definitions matter; get advice for edge cases
Goods/services for personal consumption	Owner personal expenses billed to firm	Always blocked
Goods lost, stolen, destroyed, free samples	Expired stock written off, freebies	ITC often required to be reversed

This table is a learning scaffold — the statutory wording and judicial/advance rulings refine edges. When in doubt, document the business purpose and legal basis.

How blocked credits show up in compliance

• Books — expense ledgers tagged as non-creditable GST.
• GSTR-2B — invoice may still appear if supplier reported it; appearance ≠ eligibility.
• GSTR-3B Table 4 — claim only eligible ITC; reverse ineligible amounts in the correct rows.
• GSTR-9 — annual tables should reconcile with what you claimed vs blocked.

Common traps for students & juniors

• Claiming ITC on a director’s personal car insurance “because GSTIN is on invoice”.
• Treating all vendor catering as eligible client entertainment credit.
• Ignoring free sample schemes at month-end stock counts.
• Confusing capital goods credit rules with fully blocked immovable property construction.

Worked mindset (not a calculator)

Suppose a trader receives a restaurant invoice with GST for a Diwali staff party. Even if GSTR-2B shows the invoice, Section 17(5) analysis may block credit. The correct teaching outcome is: expense in P&L gross of GST (or GST to expense), no net ITC in 3B, unless a specific exception applies and is documented.

Practice on IndIaTaxSim

Use course modules and notes on ITC / GSTR-3B / ledgers to practice identifying ineligible credits before filing. Start at GST course, GSTR-3B notes, and ITC overview (eligibility vs this blocked list).

Disclaimer

Section 17(5) is technical. This post is educational and not legal advice for a live assessment.