Regulations 7, 8 and 9 do not apply to a person who—
(a) is acting as a servant or agent of the Crown; or
(b) is acting under and in accordance with a contract with—
(i) the Crown; or
(ii) a person who is a servant or agent of the Crown; or
(c) is acting under the direction of a person (the other person ) while the other person is acting as a servant or agent of the Crown; or
(d) is acting with the permission of a person (the other person ) while the other person is acting as a servant or agent of the Crown; or
(e) is an authorised officer acting in the course of the authorised officer's duties.