This property records the preferred E42 Object Identifier that was used to identify the E19 Physical Object at the time this property was recorded.
More than one preferred identifier may have been assigned to an object during its history.
Use of this property requires an external mechanism for assigning temporal validity to the respective CRM instance.
P48 has preferred identifier (is preferred identifier of), like P47 is identified by (identifies) is a shortcut for the path from E19 Physical Object through P36 registered (was registered by), E15 Identifier Assignment, P37 assigned (was assigned by) to E42 Object Identifier.
