At the start of a CUM period, all quantities are initialized to 0. As goods are received against a Supply Agreement Release for scheduled items, the CUM is updated. Receipts against other document types do not affect the CUM.
Oracle Supplier Scheduling automatically maintains the CUM quantity for the following transactions:
A CUM period is started by selecting the Open CUM option in the Supplier Scheduling Options window. All CUM periods and their corresponding item quantities are saved and available for review in the CUM Periods window. An item's transaction history can be reviewed in the CUM Transaction History report.