DALDSSEQ specifies the relative position of a data set on a tape volume (data set sequence number). It is mutually exclusive with the SYSOUT (DALSYSOU) key. When you code DALDSSEQ, # must be one, LEN must be two, and PARM contains'' the sequence number. The maximum PARM value is 270F (9999).
KEY # LEN PARM
001F 0001 0002 00 02