18—Assumed identity may be acquired and used
(1) An
authorised officer may acquire or use (or acquire and use) an assumed identity
if the acquisition or use (or acquisition and use) is—
(a) in
accordance with an authority; and
(b) in
the course of duty.
(2) An
authorised civilian may acquire or use (or acquire and use) an
assumed identity if the acquisition or use (or acquisition and use) is in
accordance with—
(a) an
authority; and
(b) any
direction by the person's supervisor under the authority.