How to activate STAK under GST ?

STAK (Single time authentication key) which can be generated using the “GST SECURE OTP” mobile application that a taxpayer can install on their phone. Currently, STAK can be activated or deactivated only by the composition taxpayers. The app is available on PlayStore and is currently available only for Android devices.

You can only use a mobile number which is registered with the GST to activate the STAK. All authorized signatories can use their registered mobile numbers to install and use the GST Secure OTP app.

Let's understand how to register and activate STAK!

STAK Registration

For STAK registration, perform the following steps:

1. Download the “GST SECURE OTP” application on your mobile phone. From the login screen select the Services and enter the Mobile number and PAN. Click the Get OTP button and enter the OTP.
   
2. An account verification message will be displayed on the screen.
   

STAK Activation

1. Access the www.gst.gov.in URL. The GST Home page is displayed. Login to the GST Portal with valid credentials. On the top right corner of the page displayed, click the down arrow appearing next to your username, and then click the My Profile option.
2. Under the Quick Links, click the Activate/Deactivate STAK option.
3. To activate STAK, click the ACTIVATE button.
   Note: If you click the ACTIVATE button without installing the app on mobile, then an error message will pop up.
   
   3.1 A success message will be displayed on the screen and the device ID will be visible.
   
4. To deactivate STAK, click the DEACTIVATE button.
   4.1 A success message will be displayed on the screen and the Device ID will be removed.
   

Conclusion :

Activating STAK under GST is a straightforward process that enhances the security of your GST transactions. By using the GST SECURE OTP mobile application, composition taxpayers can easily generate and manage their Single Time Authentication Key. Following the steps outlined for both registration and activation ensures a smooth experience, leveraging the convenience of your registered mobile number.