/OWNER=identifier

    Requires GRPPRV (group privilege) to set the owner to another
    member of the same group. Requires SYSPRV (system privilege) to
    set the owner to any user identification code (UIC) outside your
    group.

    Modifies the owner element of an object. Specify the user
    identification code (UIC) or general identifier in the standard
    format. Modifying the owner element of a file usually requires
    privileges. See the VSI OpenVMS Guide to System Security for more
    information.