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

    Used with /TERMINATION_DATE and /RELEASE_DATE, selects only those
    licenses whose times are after the time specified with the other
    qualifiers.

    /SINCE cannot be used with /BEFORE.