Pegging:
"In MRP and MPS, the capability to identify for a given item the sources of its gross requirements and / or allocations. Pegging can be thought of as active where-used information. (pegging , Tracing the source of requirements in a materials plan, caused by dependent demand from an upper-level item, independent demand from a customer or interplant order, or to replenish a desired inventory stock level. )"
