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How to Change the Registered Mobile Number or Email ID on the GST Portal?

Updated on :  

08 min read.

The steps to change the registered mobile number or email address on the GST portal are simple. There can be two ways to change these details, depending on the number of authorised signatories the business entity has.

Latest Update on GST registration

21st December 2021
From 1st January 2022, CBIC made the aadhaar authentication mandatory to apply for revocation of cancelled GST registration under the CGST Rule 23 in REG-21.

29th August 2021
Taxpayers can get extended time up to 30th September 2021 to revoke cancelled GST registration if the last date for the same falls between 1st March 2020 and 31st August 2021. It applies if the GST registration is cancelled under Section 29(2) clause (b) or (c) of the CGST Act via CGST notification number 34/2021 dated 29th August 2021.

28th May 2021
Due date to file application for revocation of cancellation of registration falling between 15th April 2021 up to 29th June 2021 is 30th June 2021.

1st May 2021
The time limit to take actions, reply or pass orders as given under Rule 9 of the CGST Rules, 2017 that falls between 1st May 2021 and 31st May 2021 has been extended up to 15th June 2021.

5th March 2021
The Search ARN Functionality for Registration, post-TRN Login has been enhanced for the taxpayers.

Authorised signatory is the same person as the partner/promoter

Step 1: Log in to the GST portal and go to Services -> Registration -> Amendment of Registration Non-core Fields.

change mobile number gst portal
change mobile number gst portal (5)

Step 2: Click on the tab ‘Promoter/Partners’. Click on the ‘Edit’ button under ‘Actions’, next to the authorised signatory, whose details you wish to change.

Step 3: Update the mobile number or email address, as applicable. Click on ‘Save’. 

Step 4: An OTP will be sent to the mobile number, and email address entered. Enter the OTPs. The changes made will get reflected. 

Step 5: Go to the ‘Verification’ tab. After entering the required information, tick the declaration checkbox, and submit the form with DSC/E-signature/EVC.

change mobile number gst portal (4)

Note: If the EVC mode is selected, the OTP will be sent to the updated mobile number, which will need to be entered to complete the verification process. 

Step 6: You will receive a confirmation message with the ARN number to track the status of the application once it is submitted. Once you receive a message saying ‘Changes Approved’, it means that the mobile number and email ID have been updated successfully.

Authorised signatory is different from the promoter/there is more than one authorised signatory

Step 1: Log in to the GST portal and go to Services -> Registration -> Amendment of Registration Non-core Fields.

change mobile number gst portal

Step 2: Go to the authorised signatory tab. Click on the ‘Add new’ button.

change mobile number gst portal (6)

Step 3: Enter the details of the new authorised signatory whose email address and mobile number you wish to use. Click on ‘Save’. 

Step 4: Go to the ‘Verification’ tab. After entering the required information, tick the declaration checkbox, and submit the form with DSC/E-signature/EVC. 

Step 5: Wait for 15 minutes, and then log in to the GST portal. Go to Services -> Registration -> Amendment of Registration Non-core Fields.

change mobile number gst portal (4)

Step 6: Go to the ‘Authorised Signatory’ tab, and deselect the previously authorised signatory as the primary authorised signatory.  

Step 7: Select new authorised signatory as the primary authorised signatory. Confirm that the mobile number and email address provided are correct. An OTP will be sent to verify the same.  

Step 8: Complete the verification process, as explained in step 5. 

Step 9: You will receive a confirmation message with the ARN number to track the status of the application once it is submitted. Once you receive a message saying ‘Changes Approved’, it means that the mobile number and email ID have been updated successfully.

For more information on amendments to GST registration, read a host of articles by ClearTax:

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