7.—(1) It is the duty of each food authority within its area to execute and enforce these Regulations, Regulation 1881/2006 and Regulation 124/2009.
(2) Each food authority within its area is the competent authority for the purposes of—
(a)Article 2(2) of Regulation 1881/2006 (justification by food business operators of concentration or dilution factors); and
(b)Article 1(1) of Regulation 124/2009 (relating to the duty to investigate the reasons for the contamination).