Late Procurement PO accounting Issue

Current Situation:
#1 Procurement period cannot be closed
#2 Finance team would create accounting daily

Description
Some End users would create Late Procurement PO receipts after GL team has summarized the Ending Balance. This would create discrepancy between GL calculated balance and system actual Balance while the GL period cannot be closed for other reasons.

Issues
How to avoid the late procurement PO receipts to be accounted