Search Income Tax (ONESOURCE) Help and Support.

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Update the Income Tax client for ONESOURCE Classic

Updating the Income Tax client is an annual process.

This task is completed by an administrator of the workstation.

In ONESOURCE Classic, select Launch
.

Select Install
.

Save the file to your desktop.

Right-click the file and select Run as Administrator
.

Select Run
and go through the on-screen installation instructions.

When the installation is complete, select Finish
.

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