17. It is an offence for any person to—
(a)fail without reasonable excuse to comply with any requirement imposed by a British sea-fishery officer under the powers conferred by this Order;
(b)without reasonable excuse prevent, or attempt to prevent, any other person from complying with any such requirement;
(c)conceal, tamper with or dispose of evidence relating to an investigation; or
(d)assault an officer who is exercising any of the powers conferred by this Order.