/sys$common/syshlp/helplib.hlb SET, ENTRY, Qualifiers, /NOCHECKPOINT  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    For a batch job, erases the value established by the most
    recently executed SET RESTART_VALUE command. For a print job,
    clears the stored checkpoint so that the job will restart from
    the beginning.