Segment: REF Reference Identification Position: 050 Loop: Level: Heading Usage: Optional Max Use: >1 Purpose: To specify identifying information Syntax Notes: Semantic Notes: 1 REF04 contains data relating to the value cited in REF02. Comments: Notes:   Example: REF*L1*3920394930203*GENERAL PURPOSE!     Data Element Summary                                                          Ref. Data   Des. Element Name Attributes M REF01 128 Reference Identification Qualifier M ID 2/3   Code qualifying the Reference Identification       L1    Letters or Notes   M REF02 127 Reference Identification M AN 1/30   Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier     "PUR" Purchasing Information     REF03 352 Description O AN 1/60   A free-form description to clarify the related data elements and their content Previous Up Next                   855I4010 (004010) November 3, 1999