On this tab, you can provide some additional information about this expense report. 

The "Employee Expense Report (create)" form. The Additional Information tab

Out-of-Scope Tracking

This tab appears if the Tracking of Out of Scope Purchases option selected on the Administration > Settings > Taxes form and if at least one of the following conditions is met:

• The Out of Scope taxation option is selected for the document on the Main tab.
• For any of the items, Out of Scope option is selected as the VAT Rate in the item master record on the Purchasing > Master Data >  Items form.

In the Reason for Out of Scope VAT field select a valid reason why this taxation option is applied.

In the Description of the Supply text box, provide more information about this supply.