How Receivables Invoice accounting derives Accrued Asset code combination for Normalized Lease

Currently we are in 12.2.5 and are trying to test the Normalize functionality for Revenue Lease. and wanted to understand how the AR Invoice Accounting picks the GL Account combination for Revenue account type. We created a sample revenue lease and assigned Receivables, Revenue and Accrued Asset accounts and also the Billings tab has the Normalize checkbox enabled. However when we exported the Billing to AR and ran Autoinvoice but the invoice distributions is using only the Revenue GL account combination and not the Accrued Asset GL account combination. We were expecting it to use the Accrued Asset (Unearned