GST Update - Aadhaar Authentication/e-KYC for Existing Taxpayers on GST Portal



Quick Summary
The GST portal has introduced Aadhaar Authentication and e-KYC functionality for existing taxpayers, effective from January 6th, 2021. This applies to Regular, Casual, SEZ, ISD, and Composition taxpayers, but not government entities. Taxpayers can authenticate using Aadhaar for the primary authorised signatory and one promoter/partner, or upload alternative documents like a passport or EPIC card if Aadhaar is not available. The process is initiated via a pop-up upon login, directing users to their profile to send authentication links or upload e-KYC documents for approval.

Aadhaar Authentication / e-KYC for Existing Taxpayers on GST Portal

1. Functionality for Aadhaar Authentication and e-KYC where Aadhaar is not available, has been deployed on GST Common Portal w.e.f. 6th January, 2021, for existing taxpayers. All taxpayers registered as Regular Taxpayers (including Casual Taxable person, SEZ Units/Developers), ISD and Composition taxpayers can do their Aadhaar Authentication or e-KYC on GST Portal. This is not applicable for Government Departments, Public Sector Undertakings, Local Authorities and Statutory Bodies.

2. What is Aadhaar Authentication or e-KYC

a) If Aadhaar is available, the Primary Authorized signatory and 1 person who is Proprietor/Partner/Director /Managing Partner/ Karta of the entity registered can go for the Aadhaar Authentication.

GST Aadhaar Authentication for Existing Taxpayers

b) In absence of Aadhaar, they can upload any of the following documents to undergo e-KYC:

  • Aadhaar Enrolment Number
  • Passport
  • EPIC (Voter ID Card)
  • KYC Form
  • Certificate issued by Competent Authority
  • Others

3. How to do Aadhar Authentication/ e-KYC on Portal

a) When an existing registered taxpayer would login, a pop-up with Question will be shown “Would you like to authenticate Aadhaar of the Partner/Promotor and Primary Authorized Signatory “ with the two options “Yes, navigate to My Profile” and “Remind me later”.

b) If taxpayer clicks on “Remind me later” pop up will be closed and user can navigate anywhere on the GST portal.

c) If taxpayer clicks on “Yes, Navigate to My Profile”, system will navigate to My Profile. In MY PROFILE, a new tab “Aadhaar Authentication status” has been shown from where link for Aadhaar Authentication to the Primary Authorized Signatory and one of promoters/partners as selected by him will be sent.

Note: If same person is Primary Authorized Signatory and Partner/Promoter, Aadhaar authentication is only required to be done for that person.

d) On the My profile page, in addition to SEND AADHAAR AUTHENTICATION LINK, UPLOAD E-KYC DOCUMENTS option would also be displayed to taxpayer from where they can upload the e-KYC documents on Portal. In this case, the process of e-KYC authentication would be subject to approval of uploaded e-KYC documents by Tax Official.

4. For more details:

FAQ :

Existing Regular, Casual Taxable person, SEZ Units/Developers, ISD, and Composition taxpayers can perform Aadhaar Authentication or e-KYC. It is not applicable to Government Departments, Public Sector Undertakings, Local Authorities, and Statutory Bodies.

If Aadhaar is not available, you can upload alternative documents for e-KYC, such as an Aadhaar Enrolment Number, Passport, EPIC (Voter ID Card), KYC Form, or a Certificate issued by a Competent Authority.

Upon logging into the GST portal, a pop-up will ask if you wish to authenticate Aadhaar. Selecting 'Yes, navigate to My Profile' will take you to the relevant section to initiate the process.

Aadhaar Authentication is required for the Primary Authorised Signatory and one person who is the Proprietor/Partner/Director/Managing Partner/Karta of the entity. If the same person holds both roles, authentication is only needed once for that individual.

If you upload e-KYC documents, the process will be subject to the approval of these documents by a Tax Official.




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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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