10.—(1) An authorised officer who believes that a person has contravened any provision of the European Regulations may serve a notice under this regulation on the person (a “warning notice”).
(2) A warning notice must—
(a)state the provision of the European Regulations that the officer believes has been breached;
(b)notify the person that any future breach of that provision by them may render the person liable to prosecution; and
(c)give details of the right of appeal against the notice.