Define Sales tax tolerance

Setup and configuration:

To enable Sales tax tolerance on vendor invoice “Match the detail for Vendor invoice” should be enabled from Feature management:

Once feature is enabled, parameter will be enabled in the Account payable parameter form:

Path: Accounts payable > Setup > Account payable parameters

Go to Invoice validation tab and enable Enable invoice matching validation checkbox in Invoice validation group and enable Match invoice totals checkbox from Invoice totals matching group.

Above step will allow to set Tolerance for different heads.

Enable Sales tax checkbox and set If greater or less then tolerance from Display invoice totals match icon drop down and set the Tolerance.

Tolerance can be set for vendor wise also from below path:

Accounts payable > invoice matching setup > total invoice tolerances

Enjoy!