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Published on 7 April 2025

How to Update Email and Mobile Number for GST Signatory

How to Update Email and Mobile Number of Authorized Signatory on the GST Portal for Proprietorships

Changing the email and mobile number of an authorized signatory in the GST Portal is a straightforward process. Follow these simple steps:

Step-by-Step Guide

  1. Log In to the GST Portal:

  2. Navigate to Registration:

    • Click on the Registration tab, then select Application for Amendment of Non-Core Fields in Registration Particulars (applicable for all types of registered persons).
  3. Edit Promoter/Partners Details:

    • Click on the Promoter/Partners tab and select the Edit option.
  4. Update Contact Information:

    • Modify the email address and/or mobile number as needed, then click Save.
  5. Verify Changes:

    • A verification process will occur. You will receive an OTP to validate the new mobile number and/or email address.
  6. Submit Application:

    • After verification through the OTP, submit your application.
  7. Receive Confirmation:

    • A confirmation email and message will be sent to you once the necessary changes have been made.
  8. Completion of Changes:

    • The updates should now be successfully reflected in your GST profile.
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