Approval Rules for a PO and non-PO line together

Summary:

Required for idea New Invoice approval rule for both ono-PO and PO-lines in the same invoice.

Content (please ensure you mask any confidential information):

Current configuration of the AP invoice approvals has 2 parts:

1. Auto approval of a PO invoice (header will have PO id) or PO invoice lines.
2. Approval route is defined for non-PO invoices or lines based on the cost center manager and invoice total amount.

Now we need to set a different rule that will take care of both non-PO invoice lines and PO invoice lines under the same invoice and the system should trigger approval rules for all the invoice lines (irrespective of existence of PO id) based on the cost center managers of cost Centre segment on all the invoice lines.