Enforcement and competent authorities
4.—(1) It is the duty of each food authority within its area and each port health authority within its district to execute and enforce these Regulations, the Commission Regulation and Commission Regulation 124/2009.
(2) The competent authority for the purposes of—
(a)Article 2(2) (justification by food business operators of concentration or dilution factors), and
(b)Article 1(1) of Commission Regulation 124/2009 (relating to the duty to investigate the reasons for the contamination),
is the authority having the duty to enforce under paragraph (1).