The purpose of the Get EngineeringChangeOrder is to communicate to a business application module or system the need to request a Show EngineeringChangeOrder for the Engineering Change Document specified in the Message.

This BOD may be necessary to address the Make to Order, Assemble to Order, or Mixed Mode business ordering scenarios in a Order Management to Manufacturing application integration scenario.

There are many possible business applications in several environments that may use this capability. For example, a PDM, MRP, Inventory, or Manufacturing business application could use this to communicate the requirement to request an Engineering Change Document.