Available to Promise

The uncommitted portion of a company’s inventory1) Raw materials, work in process, finished goods,... and planned production maintained in the master schedule to support customer-order promising. The ATP*See Available to Promise (ATP). quantity is the uncommitted inventory balance in the first period and is normally calculated for each period in which an MPS receipt is scheduled. In the first period, ATP includes on-hand inventory less customer1) In VMI, the trading partner or reseller, i.e., ... orders that are due and overdue. Three methods of calculation are used