The focus of Supply Planning is to ensure that customers stock the right parts, in the right place, at the right time, in order to deliver high customer satisfaction and reduce operational and inventory costs. Ordering Parameters establish how a segment (or group of segments) are to be planned.

The Supply Planning process tries to satisfy needs on any given day by searching for supply in the following sequence:

For some of these supply methods, it is possible to set priorities for the supply sources using base setup data, such as substitution priority or repair priority.