The Goods and Service Tax Appellate Tribunal (GSTAT) has issued the user mannual in respect of e-filing portal.
Here is a detailed guide how to Register on GSTAT e-Filing Portal:
GSTAT e-Filing: Staggering Page
Once the user opens the E-Filing page, the user will have to choose the correct role and enter the ARN/CRN number. After entering the correct Captcha, the user shall proceed to Register.

e-filing Workflow: Registration
Click on Register button located at top right-hand side of page.

Select appropriate user type from available options.

Once the user enters the GSTIN, the correct Captcha and enters “Fetch Data”, the OTP will automatically be sent to the user. After entering the OTP, the rest of the data will be auto-filled.

Tax officer to select appropriate details and manually enter his/her contact details (Mobile & Email ID) for verification.

Authorized representative to provide appropriate details including contact details (Mobile & Email ID) for verification.

After the user clicks on Send OTP, the user will first have to enter the correct captcha, post which the field to enter the OTP will appear. After entering the OTP, the user will again have to enter the correct captcha and then click on “Submit and Next”

Once both the mobile number and email-ID gets verified, the user shall proceed further.

Legal Representative Registration

Document Upload page will appear like this.

After final submit the registration is completed successfully.
