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Last date to Update UDIN on E-filing Portal is 30th April, 2022



What is Unique Document Identification Number (UDIN)?

The Institute of Chartered Accountants of India, on noticing about the fake certifications by Non-CAs misrepresenting themselves as Chartered Accountants which misled the authorities
and stakeholders, pioneered in conceptualizing a unique concept which is called “Unique Document Identification Number (UDIN) “. Unique Document Identification Number
(UDIN) is 18-Digitsystem generated unique number which has to be generated by Full- time Practicing Chartered Accountants for every document certified/attested by them.



You being a user may get an email from [email protected] as follows on your registered mail id

Dear User,

As per records, Income Tax Department has noticed that some Forms are pending for UDIN update on the e-Filing Portal. Kindly update UDIN against pending forms on or before 30th April 2022.

What are the steps to update UDIN?

  • Login to the e-Filing portal
  • Go to the e-File menu
  • Income Tax Forms
  • View/ Update UDIN Details
  • You can update UDIN for one Form at a time OR for multiple Forms using the bulk UDIN upload feature.

Things to remember before updating UDIN:

  • Double check the Form number and AY with ICAI UDIN portal, before updating UDIN on e-filing Portal
  • Double check the PAN of Assessee (if provided on UDIN portal), before updating UDIN
  • UDIN should not be consumed against any other Form
  • If you are filing a revised Form, then generate a new UDIN from UDIN portal
  • You will be able to update UDIN under ‘View/ Update UDIN Details‘ screen, only after the Form is accepted by Assessee.

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