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 him by articles 6 and 7 of this Order;
(b) without reasonable excuse prevents any other person from complying with any such requirement; or
(c) assaults an officer who is exercising any of the powers conferred on him by articles 6 to 8 of this Order or 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.