10. 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 article 6, 7 or 8 of this Order;
(b)without reasonable excuse prevents, or attempts to prevent, any other person from complying with any such requirement; or
(c)assaults an officer who is exercising any of the powers conferred on British sea-fishery officers by article 6, 7 or 8 of this Order or intentionally obstructs any such officer in the exercise of any of those powers,
shall be guilty of an offence and liable —
(i)on summary conviction to a fine not exceeding the statutory maximum; or
(ii)on conviction on indictment to a fine.