/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 HP OpenVMS Guide to System Security for more
information.