We have a supplier that will be looking for payment to differing bank details dependant on the service they provide.  I can see that I can have secondary bank details and attach them to specific invoices etc so that both will pull through into a BACs run when invoices are cleared.

Can the payment details be added to PO, so that the invoice will automatically attach to these second details when ready for payment - or is the only option to manually add the details in the invoice instalment section