VMS Help START, /QUEUE, Qualifiers, /OWNER_UIC  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /OWNER_UIC=uic

    Requires manage (M) access to the queue.

    Enables you to change the user identification code (UIC) of the
    queue. Specify the UIC by using standard format as described in
    the OpenVMS User's Manual.