How to configure BPM for invoices with multiple lines

Summary:

The rules created in BPM for the invoice approval for an invoice with multiple lines, causes the routing and the approval of lines with Cost centers that should not be approved by some approvers.

Content (please ensure you mask any confidential information):

In our case, we have approvers with approval rights based on the cost center and amount.

The rules we created for the cost center, were on the invoice distribution level and the amount on the invoice header level.

When the invoice has multiple lines with different cost centers, the system checked the cost center and the amount then sent the invoice to the approvers of these CCs.