LTCPRE- Conditional predecessor segment.

Offsets      Type     Length  Name           Description
    0    (0) STRUCTURE    33  LTCPRE         OCCURRENCE CONDITIONAL PREDECESSOR
    0    (0) CHARACTER    26  LTCPREKEY      CONDITIONAL PREDECESSOR IDENTIFIER
    0    (0) CHARACTER     6  LTCPREIAD      RUN DATE
    6    (6) CHARACTER    16  LTCPREADI      APPLICATION ID
   22   (16) CHARACTER     4  LTCPREIAT      INPUT ARRIVAL TIME
   26   (1A) CHARACTER     1  LTCPREDEL      DEPENDENCY DELETED
   27   (1B) CHARACTER     1  LTCPREPDONE    PREDECESSOR COMPLETED
   28   (1C) CHARACTER     1  LTCPREMPEND    IF Y IT IS A MANDATORY PENDING
   29   (1D) CHARACTER     1  LTCPREMAND     REQUIRED VALUE: C,P,OR N
   30   (1E) UNSIGNED      1  LTCPREVERS     VERSION NUMBER
   31   (1F) CHARACTER     2  *              UNUSED