11.—(1) Any person who–
(a)fails without reasonable excuse to comply with any requirement imposed by a British sea-fishery officer under the powers conferred on British sea-fishery officers by articles 7, 8, or 9;
(b)without reasonable excuse prevents, or attempts to prevent, any other person from complying with any such requirement; or
(c)obstructs any such officer in the exercise of any of those powers,
shall be guilty of an offence.
(2) A person guilty of an offence under paragraph (1) shall be liable–
(a)on summary conviction to a fine not exceeding the statutory maximum; or
(b)on conviction on indictment to a fine.