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