Mandatory validation of UDIN in all Income Tax Forms


Quick Summary
The Central Board of Direct Taxes (CBDT) has made the validation of Unique Document Identification Numbers (UDIN) mandatory for all Income Tax forms and Tax Audit Reports uploaded to the e-filing portal. From 27th November 2020 onwards, forms will only be considered valid if their UDINs are validated by the CBDT E-filing Portal. Chartered Accountants are given a 15-day window to update the UDIN after uploading, and a one-time relaxation allows UDINs for forms submitted between 27th April and 26th November 2020 to be updated by 31st December 2020.

As per the Press Release of CBDT dated 26th November 2020,The Tax Reports / Forms will be treated valid only if their UDINs have been validated by CBDT E-filing Portal. For doing so, CAs will have a buffer time of 15 days to update their UDIN at the e-filing portal in addition to providing the same instantly.In this regard,CBDT has given a one-time relaxation by allowing them to update UDINs for forms latest by 31st December 2020 for treating these forms as valid. Read the official announcement
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FAQ :

All Income Tax Forms and Tax Audit Reports uploaded to the e-filing portal must now have their Unique Document Identification Numbers (UDINs) validated by the CBDT E-filing Portal to be considered valid.

The mandatory validation applies to Tax Reports/Forms uploaded on the e-filing portal from 27th November 2020 onwards.

Chartered Accountants have a buffer time of 15 days to update their UDIN at the e-filing portal after providing it instantly upon upload.

Yes, CBDT has provided a one-time relaxation allowing UDINs for forms uploaded between 27th April 2020 and 26th November 2020 to be updated by 31st December 2020.

The e-filing portal validates the UDIN online with the ICAI UDIN Portal based on three parameters: Membership Registration Number (MRN) of the member, the UDIN itself, and the Income Tax Form Number.

Any Form or Tax Audit Report for which a valid UDIN has not been updated within the permissible time limit will be treated as invalid.




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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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