Learn how to enable tax engine validation for an invoice presentation in Coupa.

1. Click Setup, then click Invoice Presentations in the Invoicing section.
2. Click the Edit icon for the presentation.
   Note:

   At this time, the Coupa connector for Global Tax Determination only supports Buyer Channel Rules presentations.

3. Select Use tax engine to validate taxes.
4. In Invoice Header Fields and Invoice Line Fields, select the Active checkbox for each custom field you want to appear on invoices that use this presentation.
5. Click Save.