1 through 8 alphanumeric or national ($, #, @) characters, a hyphen, or a character X'C0'. The first character must be alphabetic or national ($, #, @). For example, DSNAME=ALPHA is an unqualified data set name.

For the characters allowed in ISO/ANSI/FIPS tape data set names, see information about label definition and organization in z/OS DFSMS Using Magnetic Tapes.