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Digital Signature for Income Tax

Learn about registering and using a DSC on the Income Tax e-Filing portal for applicable filing, verification and compliance workflows.

Using a DSC on the Income Tax e-Filing portal

A Digital Signature Certificate may be used for specified income-tax e-Filing activities, based on the taxpayer category and portal rules. The certificate generally needs to be valid and associated with the correct person or authorised signatory.

General steps

  1. Check the current e-Filing portal guidance for your user category and activity.
  2. Ensure the DSC is valid and the USB token is detected.
  3. Install or update the required token driver and signing component.
  4. Log in and follow the portal's DSC registration or verification flow.
  5. Select the correct certificate and complete signing using the token PIN.

Common issues

Certificate mismatch, expired DSC, missing token drivers, unsupported signing components and incorrect authorised-signatory details can prevent signing. Use the portal's current troubleshooting instructions.

This guide is informational. Tax filing obligations and portal steps depend on the taxpayer and current Income Tax Department rules.
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