A unique identifier for this record from the immediate source. This may be a number or string that can include a Uniform Resource Identifier (URI) or other forms. This is the system you are...12/5/2018
DefinitionA unique identifier for this record from the immediate source. This may be a number or string that can include a Uniform Resource Identifier (URI) or other forms. This is the system you are connecting to and not necessarily the original source of the record.
