When creating a requisition in Mediusflow we want the tax group filled in automatically, by the user or controlled via a document validation rule. none of these options are currently available in Mediusflow.

1. automatically filled in
   would be nice to add a default tax group on a supplier. when the supplier is then selected on a REQ, the tax group can be auto filled for items that are not selected from a catalogue.

2. Validation rule
   the other option would be to have a "document validation rule" that stops requisitions in review or post control when the tax group is not filled in.

Both options would improve the invoice handling on MF PO's as these invoices always tend to need extra care because of missing tax groups (so no touchless handling).