Standard Memo Line Based SLA Question

Summary: At our current customer we are using both manual and project invoices. We have defined Auto Accounting Rule at Transaction Type level. In the Account Rule, we have added logic to determine Accounting from Standard Memo for Manual invoice and DFF to derive accounts for Project Invoice.

Content (required): The issue with this approach is that, when a manual invoice is created and Standard Memo line is used, in "Edit Distributions" the system shows Revenue accounts from Transaction Type default. But when Accounting in Draft is run, it derives Revenue accounts from Memo Line. So, there is a discrepancy between what Revenue accounts shows up in Distributions of invoice and what gets posted to GL.