Renu Suresh

Expert

Published on: Jul 30, 2026

Register Dsc On The New Income Tax Portal

Digital Signature Certificate or DSC is proof of the identity of an individual taxpayer or organization. Irrespective of the authentication, each digital taxpayer must Register Dsc On The New Income Tax Portal. A valid Class 3 Digital Signature Certificate (DSC) is essential for taxpayers to file Income tax returns online because it has to be affixed to all documents filed in the ITR. Registering the DSC on the new Income Tax Portal ensures that the returns submitted are authentic and secure. The present article briefs the procedure Register Dsc On The New Income Tax Portal.

Digital Signature Certificate (DSC)

DSC is the electronic version of a physical certificate. It's used to examine someone's or an organization's identity online. Likewise, a handwritten signature confirms a physical document, Digital Signature Certificate (DSC) confirms an electronic document. Digital Signature Certificate can also use to e-verify a taxpayer's ITR, among other things.

Importance of Registering DSC on the Income Tax Portal

Any person willing to sign the Income Tax Return 'digitally' has to complete the registration process for the DSC on the e-filing website before signing.

As mentioned above, Digital Signature Certificate (DSC) is essential for taxpayers to file Income tax returns online. It ensures that the ITR submitted is secure.
DSC must be affixed on all documents filed in the Income Tax Returns.

Who should register the DSC on the Income tax portal?

Companies and taxpayers must use a Digital Signature Certificate (DSC) to e-verify their ITR (Income Tax Return).
DSC is mainly for those taxpayers whose accounts are to be audited under section 44AB of the income tax act, and it is optional for the rest of the taxpayers.
As per the revised provisions under section 44AB of the Income Tax Act, e-Filing is mandatory for all individuals/professionals having an annual gross receipt of Rs.25 Lakhs and above and for businesses with an annual turnover of Rs.1 Crore and above.

e-Filing of Income Tax with Digital Signature Certificate

A Digital Signature Certificate is mandatory for income tax e-filing by a specific section of businesses, families, and individuals. As per Section 140 of the Income Tax Act 1961, the following person is responsible for signing the IT return.

- Managing Director
- Any other Director (in case the MD is unavailable)
- Any authorized person possessing a legal power of attorney in case of the presence of a Non-resident Company
- Managing Partner of an organization or any other Partner (in the specific case of Managing Partner being unavailable)
- Chief Executive Officer/ Principal Officer or Competent person in case of other entities such as Body of Individuals, Association of Persons, Artificial Juridical person, Trust, Local Authority
- Karta, in case of a HUF
- Self in case of an Individual
- Any authorized person possessing a legal power of attorney if the individual cannot sign the IT Return
- Any authorized person possessing a legal power of attorney if the individual is outside India.

Note: Any person can change or update their DSC registration any number of times. For individuals and businesses not covered by the latest mandate, a Digital Signature Certificate assures greater convenience while filing IT returns and greater security during any electronic transactions.

Register Digital Signature Certificate (DSC) service of Income tax Portal

The Register Digital Signature Certificate (DSC) service of the Income-tax Portal is available to all registered users of the Income tax e-Filing portal. This service enables the registered taxpayer to perform the following:

Register DSC
Re-Register when registered DSC has expired
Re-Register when registered DSC has not expired
Register DSC of Principal Contact

Register DSC on New Income Tax Portal

CBDT launched the new Income Tax portal on 07th June 2021; taxpayers were required to register Digital Signature Certificate (DSC) in the new Portal even though it was registered earlier.

All taxpayers who wish to use DSC are required to re-register their DSC on the new Income tax portal using the 'Register DSC' service.
CBDT informed that the DSC registered on the previous Income tax e-filing portal will not be migrated to the new e-filing Portal due to security and technical reasons.

Prerequisites for Register Dsc On The New Income Tax Portal

The taxpayer must be the registered user of the e-filing portal with a valid username and password.
Downloaded and installed the emsigner utility
USB token should plug into the computer
DSC USB token should be Class 3 DSC
The registered DSC should be active and not expired.
DSC should not be revoked

Procedure to download the emsigner utility

The emsigner utility must download before registration of DSC in the Income-tax Portal. Follow the below-mentioned steps to download the emsigner utility:

Access the official website of the income tax e-filing portal and Click on the 'Downloads' tab from the top.
Click on 'DSC Management Utility' and select the 'Utility (emBridge) link.
After the completion of downloading, install the emBridge on the computer.

Procedure to Register Dsc On The New Income Tax Portal

Access the official website of the new and log in to the Portal using valid user credentials.

Select the My Profile page from the Dashboard and Click Register DSC on the left side of the screen.

Furnish the email ID linked with the DSC token.

The PAN number will display, and select "I have downloaded and installed emsigner utility" and Click on Continue.

Insert the USB token into the USB port of the machine and run the "eMBridge."
Select the Provider in the Dropdown (Provider will display after the successful running of the eMBridge application, Select the Certificate from the dropdown (DSC holder name will show in the dropdown)
Furnish the Provider Password, the DSC token password, and click on "Sign."
A success message will display on successful validation.

Note:

In case the DSC is expired, the system will display a message that 'Your registered DSC has already expired. Please re-register a valid DSC'.
If a taxpayer wants to re-register an unexpired DSC, click on 'View' to view the details or click on 'Update' to update the same.
If the taxpayer wants to register the DSC with the principal contact, enter the email ID of the principal contact registered at the e-filing portal and proceed to register DSC.

Update DSC on the Income Tax Portal

Updating a DSC is similar to registering a DSC with the income tax portal. Follow the steps mentioned above; on completion of the selection of DSC, click on "Update" to update the Digital Signature Certificate.

Back to Learn

Frequently Asked Questions

Common questions about Register Your Digital Signature Certificate for Income Tax.

A Digital Signature Certificate (DSC) is an electronic version of a physical certificate that verifies the identity of an individual or organization online. It is essential for filing Income Tax Returns electronically as it ensures the authenticity and security of the submitted ITR. All documents filed in the ITR must be affixed with a valid Class 3 DSC.

Any taxpayer who wishes to sign their Income Tax Return digitally needs to register their DSC on the new Income Tax Portal. This includes companies, businesses, professionals, and individuals whose accounts are required to be audited under section 44AB of the Income Tax Act, as well as those with an annual gross receipt or turnover above the specified limit.

Yes, it is mandatory to re-register your DSC on the new Income Tax Portal even if it was registered on the previous e-filing portal. The Central Board of Direct Taxes (CBDT) has informed that DSCs registered on the old portal will not be migrated to the new portal due to security and technical reasons.

To register DSC on the new Income Tax Portal, you must be a registered user of the e-filing portal with a valid username and password. Additionally, you need to have downloaded and installed the emsigner utility, have a Class 3 DSC USB token plugged into your computer, and ensure that your DSC is active, not expired, and not revoked.

Yes, you can update or re-register your DSC on the Income Tax Portal, regardless of whether it has expired or not. If your registered DSC has not expired, you can click on the 'Update' option to update the same. If it has expired, you can re-register a valid DSC by following the registration process.

To register the DSC of the Principal Contact, you need to enter the email ID of the principal contact registered at the e-filing portal during the DSC registration process. Then, proceed to register the DSC following the same steps as for your own DSC registration.

Yes, you can register multiple DSCs on the Income Tax Portal. However, you can only have one active DSC registered at a time. If you want to use a different DSC, you will need to update or re-register the new DSC.

The emsigner utility, also known as the eMBridge, is required for the successful registration of your DSC on the Income Tax Portal. You can download it from the 'Downloads' section of the Income Tax e-filing portal website, under the 'DSC Management Utility' link.

No, you cannot use a DSC issued by any Certifying Authority (CA) to register on the Income Tax Portal. The Income Tax Department only accepts Class 3 DSCs issued by licensed Certifying Authorities approved by the Controller of Certifying Authorities (CCA), India.

If you encounter any issues or errors during the DSC registration process on the new Income Tax Portal, you can refer to the FAQ section or user guides provided on the portal's website. If the issue persists, you can contact the Income Tax Department's helpdesk or seek assistance from a qualified professional.