GST Input Credit Denial 2026 | Buyer Liability When Seller Defaults

What Happened?

As of September 2026, the GST Department has intensified scrutiny on buyers who claim input tax credit (ITC) when their suppliers fail to deposit the collected GST to the government. Rather than immediately targeting the defaulting seller, authorities are now demanding that buyers prove genuine transactions and the actual payment of tax by their suppliers. This has created a significant compliance burden for bona fide purchasers, especially in B2B transactions where supply chains are complex.

Background & Legal Context

The issue stems from two critical provisions of the Central Goods and Services Tax (CGST) Act, 2017:

Section 16(2)(c) - The Input Tax Credit Condition

Section 16(2)(c) of the CGST Act states that input tax credit is only available when the supplier has actually paid the tax to the government. This is not merely about receiving an invoice—the tax must be deposited in the government treasury.

• If a seller collects GST from you but never deposits it with the authorities, you cannot claim ITC
• The onus falls on the buyer to verify that the seller has deposited the tax
• This creates a situation where you may pay GST, but cannot recover it if your supplier defaults

Section 76 - Responsibility When Tax Not Paid

Section 76 of the CGST Act makes it clear that if tax collected by a registered person is not paid to the government, that person is liable to pay interest and penalties. However, for the buyer claiming ITC, this section creates uncertainty about when they can safely claim credit.

• The buyer cannot be held personally liable for the seller's non-payment under Section 76
• But the buyer may lose ITC if the seller defaults
• This places the financial burden on the innocent buyer

Why Does This Matter? Real Impact on Your Business

Scenario 1: Manufacturing Business

You purchase raw materials from a supplier for ₹1,00,000 with 18% GST (₹18,000). You receive an invoice and record ITC of ₹18,000. Three months later, the GST Department audits your supplier and discovers the supplier never deposited the GST. The Department then:

• Disallows your ITC claim of ₹18,000
• Issues a show-cause notice asking you to reverse the credit
• May impose interest on the reversed amount at 18% per annum
• Potentially levies penalties under Section 122 or Section 125 of the CGST Act

Your financial impact: You lose ₹18,000 in credit, plus interest, even though you acted in good faith and received a valid invoice.

Scenario 2: Service Provider

You hire a freelance consultant who is GST-registered. You pay ₹50,000 plus 18% GST (₹9,000). After six months, you discover the consultant never paid GST to the government. You now face:

• Demand to reverse ₹9,000 ITC
• Duty to inform the GST Department about the supplier's non-compliance
• Potential investigation into whether you facilitated tax evasion

The Buyer's Dilemma Under Current GST Rules

As of AY 2025-26 and AY 2026-27, buyers are caught in a trap:

• You cannot claim ITC if the supplier hasn't paid tax (Section 16(2)(c))
• You have no way to verify in real-time whether your supplier has deposited tax
• The GST portal doesn't provide information about supplier payment status until audit
• Penalties apply retrospectively even if you had no knowledge of supplier default
• The burden of proof shifts to you—you must prove you were a bona fide buyer

What Should You Do Now?

1. Strengthen Supplier Verification

• Before engaging any supplier, verify their GST registration on the GSTIN portal (check active status)
• Request copies of their GSTR-3B (monthly returns) to confirm tax deposits
• Include supplier compliance clauses in purchase agreements
• Maintain records of all supplier verification activities

2. Document Everything

• Keep original invoices, payment receipts, and delivery notes
• Maintain correspondence showing you sought tax payment confirmation
• Create a supplier compliance register with GST registration dates and status
• For high-value transactions, request TDS/TCS certificates if applicable

3. Monitor GSTR-2B Reconciliation

• Match your GSTR-3B ITC claims against GSTR-2B data (which shows supplier filings)
• If there's a mismatch, investigate immediately
• If invoices don't appear in your GSTR-2B, it signals supplier non-compliance
• In AY 2025-26, the Department has made GSTR-2B matching mandatory for annual returns

4. Maintain Due Diligence Records

• Document all efforts to verify supplier authenticity
• Keep email trails showing supplier communication about GST compliance
• For e-commerce purchases, retain platform confirmations showing seller GSTIN
• In case of audit, this due diligence will prove you were a bona fide buyer

5. Seek Professional Advice Before Large Transactions

• For purchases above ₹5 lakh, consider getting independent verification of supplier tax compliance
• Engage a GST consultant to audit your ITC claims annually
• Keep advance communication with your tax professional about high-risk suppliers

Key Legal Protections You Should Know

Bona Fide Buyer Protection: Courts have recognized that a genuinely innocent buyer who received valid invoices should not suffer if the seller cheats. However, you must prove your innocence through documentation.

Section 122(1) vs Section 122(1A): Penalties under Section 122(1) (higher penalty) apply if fraud/evasion is proved. Under Section 122(1A), lower penalties apply for less serious violations. Your compliance records can help you fall under the lighter penalty regime.

Natural Justice: Before disallowing ITC, the Department should give you an opportunity to respond and produce evidence of supplier compliance.

What About Relief Mechanisms?

If you've already lost ITC due to supplier default:

• You can file a dispute with the GST Appellate Authority
• You can claim refund under Section 54 if you've paid tax without claiming credit
• In cases of proven supplier fraud, you may be eligible for relief under notification provisions
• GST Council has been considering amendments to protect genuine buyers—monitor for updates

Key Takeaways

• Section 16(2)(c) is strict: ITC only available if supplier paid tax to government—not just if invoice was issued
• You bear the risk: If supplier defaults, you lose credit even if you acted in good faith
• Verification is essential: Check GSTIN status, request tax payment proof, and maintain records
• GSTR-2B mismatch is a red flag: If invoices don't appear there, investigate immediately before claiming ITC
• Due diligence is your shield: Documented buyer diligence can save you from penalties and help in appeals

Bottom Line: The GST system now requires buyers to be active participants in compliance verification. You cannot claim ignorance about your supplier's tax non-compliance. September 2026 has made this crystal clear through increased Department scrutiny. Protect yourself through systematic verification and documentation.

Need expert help with this? EaseValue CAs in Jaipur — WhatsApp 63677 44602