Advisory on use of version 3.3 of emSigner
GST
Dated:- 21-9-2026
This is an advance information to the all users – Taxpayers and Tax Officers, of GST System who use Digital Certificate Signature on the GST Portal.
A new version of emSigner (v3.3) is being made available for download for the purpose of providing compatibility with tokens (USB dongles) that are issued on or after 21-September-2026.
A. Users with valid certificates: There is no change for the users having existing valid digital certificates and their existing token (USB Dongle) are working, as of 21-Sep-2026. If your existing DSC works normally, you may continue using your current emSigner version.
If you encounter signing failures or if your certificate
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tem
Requirement
Operating system
Windows 10 or 11 (64-bit); Linux (Ubuntu 18 and above); macOS (10.6 and above)
System type
64-bit operating system
Installed RAM
8 GB and above
Storage
64 GB and above
1.2 Java
Item
Requirement
Java runtime
Java 1.8 – OpenJDK or Oracle
Availability
Java must be pre-installed; it is not bundled with the installer
Higher versions
Java 9 and above are not supported
1.3 Browser
Browser
Supported version
Internet Explorer
10.0 and above
Firefox
6.0 and above
Chrome
16.0 and above
Safari
6.0 and above
Opera
12.1 and above
Microsoft Edge
Since first version
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