How to register or update DSC on GST Portal?

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Sakshi Shah

DSC Registration
GST Portal

DSC i.e. Digital Signature Certificate is an electronic signature of a taxpayer that is used for authentication to submit applications and file returns under GST. To digitally sign any document under GST, the DSC must be registered on the GST Portal.

To register a DSC on the GST Portal, the following criteria must be met:

  1. DSC should be PAN based and the type should be Class 2 or Class 3
  2. DSC must be issued by an authorised certifying authority
  3. Taxpayer must have a registered login account on the GST Portal
  4. Download and install emSigner (DSC signer utility) from the GST Portal
  5. Download and install the software of DSC
DSC Application for Residents
Apply for Class II Digital Signature Certificate (DSC) for Residents
[Rated 4.8 stars by customers like you]
DSC Application for Residents
Apply for Class II Digital Signature Certificate (DSC) for Residents
[Rated 4.8 stars by customers like you]

Steps to register or update DSC on GST Portal

  1. Insert DSC

    Insert the USB token containing the DSC into the computer system

  2. Run emSigner GSTN

    Run the emSigner GSTN to use DSC for signing on the GST Portal (Read more: Instructions to install emSigner)Run emSigner as Administrator

  3. Login to GST Portal

    Login to your account on the GST Portal with valid username and password

  4. Navigate to Register / Update DSC

    Click on your business name on top right corner, select Register / Update DSC from dropdownRegister/Update DSC on the GST Portal

  5. Select PAN of Authorised Signatory

    The list of Authorised Signatory is available in the dropdown. Select the PAN of the Authorised Signatory whose DSC you want to register or update on the GST Portal. Click on ProceedSelect PAN to register DSC on GST Portal

  6. Select DSC Certificate and Sign

    A pop-up box would appear on the screen. Select the DSC and click on Sign. Enter the password to authorize the DSCSelect DSC on GST Portal

  7. Success Message

    A success message will be displayed on successful registration of DSCDSC Registartion GST Portal - Success message


Is it mandatory for me to use DSC or can I opt for EVC?

To digitally sign documents on the GST Portal, it is compulsory for companies and LLPs to use DSC (Digital Signature Certificate). Other taxpayers like individual, HUF, partnership firms etc can either use DSC or EVC (OTP authentication)

What are the system requirements for usage of Digital Signature Certificate?

* Desktop Browser: Internet Explorer 10+/ Chrome 49+ or Firefox 45+
* Valid class 2 or class 3 Digital Signature Certificate (DSC) obtained from a DSC provider
* GST Common Portal supports only Crypto Tokens installed in Hard Tokens for DSC Registration
* Signing using DSC is not supported on mobile devices and browsers

What are the system requirements to install the emSigner application?

The pre-requisites for installing the emSigner are provided as below:
– Windows 32 / 64 bit OS
– Java 1.6 JRE 1.6.0_38+, Java 1.7, Java 1.8
– Windows: Admin access to install the emSigner component
– Anyone of the following ports should be free- 1585, 2095, 2568, 2868, 4587

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