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Supreme Court Decision on Section 16(2)(c) of the GST Act: A Blow to Buyers?

Analysis of the critical Supreme Court ruling upholding Section 16(2)(c), denying Input Tax Credit to buyers if the supplier defaults on tax payment.

Alok K Acharya & Associates
2 August 2026·Updated 2 August 20263 min read
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Supreme Court Decision on Section 16(2)(c) of the GST Act: A Blow to Buyers?#

The Controversy Around Section 16(2)(c)#

One of the most heavily litigated provisions under the Goods and Services Tax (GST) law is Section 16(2)(c) of the CGST Act. This section stipulates that a buyer is eligible to claim Input Tax Credit (ITC) only if the tax charged in respect of such supply has been actually paid to the Government, either in cash or through utilization of ITC by the supplier.

This created a massive grievance among bona fide buyers. Taxpayers argued: "If I have purchased goods, received a valid invoice, and paid the full amount (including GST) to the supplier via banking channels, why should my ITC be reversed if the supplier commits fraud and absconds with the tax money?"

The Landmark Supreme Court Ruling#

Various High Courts gave conflicting judgments on this issue. Finally, the Supreme Court of India stepped in to settle the law.

In a landmark decision, the Supreme Court upheld the constitutional validity of Section 16(2)(c). The Court ruled that ITC is not a fundamental right but a concession granted by the statute. Therefore, the conditions attached to this concession—including the actual deposit of tax by the supplier—must be strictly complied with.

The Court held that the government cannot be expected to refund or allow credit for tax that it never received in its coffers.

The 'Impossibility of Performance' Argument Rejected#

Taxpayers argued the legal doctrine of lex non cogit ad impossibilia (the law does not compel a man to do that which he cannot possibly perform). They claimed it is impossible for a buyer to physically force a supplier to file their GSTR-3B and pay the tax.

The Supreme Court rejected this defense, stating that business transactions are private contracts. The buyer has the liberty to choose reliable suppliers and include commercial safeguards in their contracts to protect against supplier defaults. The burden of supplier due diligence rests entirely on the buyer, not the tax department.

Action Plan for Businesses#

This ruling is a harsh reality check for CFOs and tax heads. You can no longer rely merely on possessing a tax invoice and proof of payment to defend an ITC claim during an audit.

To safeguard your working capital:

  1. Dynamic Vendor KYC: Implement continuous monitoring of your vendors' GST compliance ratings on the portal.
  2. Contractual Safeguards: Embed strong indemnity clauses in Purchase Orders, allowing you to recover lost ITC and penalties from the vendor.
  3. Withholding Tax Portions: For high-risk or new vendors, consider withholding the GST component of the payment until the invoice accurately reflects in your GSTR-2B and the vendor's GSTR-3B filing status is confirmed.

The Supreme Court has made it clear: in the GST regime, your tax compliance is inextricably linked to the honesty of your supply chain.

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Alok K Acharya & Associates

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