PO Receipts on Expense Type Purchase Orders and Month End Accruals

Our client is using Projects 12.2.5 and have a requirement regarding receipts made on Expense Type Purchase Orders. Under Receipt Accounting Setup 'Accrue Expense Items' is set to Period End. In the normal course the Expense Type PO Receipts do not interface to PA and any receipt not invoiced yet is accrued as part of period end accrual but this accrual entry is only sent to GL and reversed in the next period. But till such time the AP invoice is processed against the PO line it is not available in Projects. However for purpose of Project Costs