The element <localFabricationMaterial> specifies one or several raw parts from which the defined part can be manufactured and their dimensions or quantity. The altered from parts can be used on condition that a modification has been performed. The description of the modification can be provided.The raw material part can be identified by:− using the part number and manufacturer code (allowing then to refer to the part common information repository data module, if it is implemented) or− using the reference to the catalog sequence number where the part is described