GST Refund Filing Gets Stricter: Annexure-B Upload in JSON Format Now Mandatory for Unused ITC Claims

Last updated: 09 May 2026


The GST portal has introduced an important update for taxpayers claiming refunds of accumulated Input Tax Credit (ITC). Refund applicants filing FORM GST RFD-01 must now prepare Annexure-B through the offline utility and upload it in JSON format.

GST Refund Filing Gets Stricter: Annexure-B Upload in JSON Format Now Mandatory for Unused ITC Claims

The revised utility now asks for additional invoice-level details such as:

  • Type of inward supply
  • Document type
  • Total and eligible ITC
  • Blocked ITC under Section 17(5)
  • Ineligible ITC
  • Relevant GSTR-2B period

This move indicates that the GST system is shifting towards automated invoice matching with GSTR-2B for refund verification.

GST Refund Filing Gets Stricter: Annexure-B Upload in JSON Format Now Mandatory for Unused ITC Claims

Taxpayers are advised to carefully reconcile: Purchase Register → GSTR-2B → ITC Eligibility → Refund Claim

before uploading Annexure-B to avoid mismatches or delays in refund processing.

The update is expected to reduce officers' manual scrutiny and make refund processing more system-driven. However, exporters, SEZ suppliers and businesses claiming accumulated ITC refunds may face increased reconciliation and documentation work.

The changes are based on:

  • Circular No. 135/05/2020-GST
  • Circular No. 170/02/2022-GST
  • Section 54 of the CGST Act
  • Rule 89 of the CGST Rules

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Finance news reporter covering taxation, GST, income tax, business compliance, and economy updates. I simplify complex financial topics into easy-to-understand articles for professionals, taxpayers, and business owners on leading finance and tax platforms.


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