The UDIN portal shifted to the DigiCA platform on December 20, 2025, requiring PAN capture for new GST and tax audit UDINs. However, prior records show PAN as “NA,” complicating retrospective tracking for CAs and compliance. A proposed solution involves labeling new fields with effective dates to clarify the discrepancy.
- The UDIN portal, managed by ICAI for verifying audit documents, migrated to the DigiCA platform on December 20, 2025, introducing mandatory PAN capture for new GST and tax audit UDINs to enhance validation, but legacy records from prior entries display PAN as “NA” due to absent data fields.
- This glitch, as shown in the post’s screenshot of a 2025-2026 FY tax audit UDIN, complicates retrospective tracking of client UDINs and their updates on the Income Tax e-filing portal, potentially delaying compliance for thousands of CAs.
- A suggested fix from a reply involves labeling new fields with effective dates to clarify why older UDINs show “NA,” aligning with ICAI’s recent manual updates emphasizing seamless migration without disrupting historical records.


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