How to configure SLA for expense reports only

Summary:

Customer has a requirement to configure SLA for Expense account and Liability only for invoices that are based on an expense report in Oracle Expenses. I try to figure out how to achieve this ans look for some guidance.

Content (please ensure you mask any confidential information):

Using the event class "Invoices", I tried to set up account rules with different conditions. One I tried was based on condition "Invoice Type"(AP,S,S) = Payment request. I also tried "Invoice Source"(AP,S,S) = EMP_EXPENSE_REPORT.

In both cases, the rule was ignored and default accounting was returned.