A proposal to the Acquisition Customer for the purpose of considering changes to the technical baseline of a program or project. In the early phases of development, an ECP is typically limited to technical requirement changes, although it is possible that small-scale changes to SoW and/or T&C will be necessary in order to effect the work. In later project phases, Production Drawings that are under external control may also be the subject of ECP.
As with all proposals, an ECP may be either solicited or unsolicited by the customer.
Contrast with PCP.