https://help.tallysolutions.com/docs/te9rel64/Maintaining_Company_Data/F11_Features/F5_Tax_Audit_Features.htm

F5: Audit Features

Enable this option to use auditing features. The option F5: Audit Features is available only in the Tally.ERP 9 Auditor Edition.

To enable audit features

1. Go to Gateway of Tally > F11: Features > F5: Audit Features .

2. Enable the required options as shown below:

3. Press Enter to save.