Change indicators


      BII   STRUCTURE IDENTIFICATION

      Function: A segment used to convey an indexing structure
                mechanism which identifies the positioning of a group
                or item.

010   7429  INDEXING STRUCTURE QUALIFIER                   M  an..3

020   C045  BILL LEVEL IDENTIFICATION                      M  
      7436   Level one id.                                 C  an..17
      7438   Level two id.                                 C  an..17
      7440   Level three id.                               C  an..17
      7442   Level four id.                                C  an..17
      7444   Level five id.                                C  an..17
      7446   Level six id.                                 C  an..17

030   7140  ITEM NUMBER                                    C  an..35