4. The prohibitions contained in these Regulations shall not apply to–
(a)any person who is not a British citizen;
(b)any person who is operating under the authority of and in accordance with the terms and conditions of a fish culture licence granted under section 11 of the Act; or
(c)any person who is operating under the authority of and in accordance with the terms and conditions of a permit granted under section 14 of the Act.