4.—(1) It is the duty of each feed authority to execute and enforce these Regulations within its area or as the case may be district in relation to feed.
(2) It is the duty of each food authority to execute and enforce these Regulations within its area in relation to food.
(3) For the purposes of enabling the feed authority to exercise its duty under paragraph (1) and the food authority to exercise its duty under paragraph (2), an authorised officer of the authority concerned must ensure that the requirements referred to in paragraph (4) are adhered to.
(4) The requirements are those specified in —
(a)Article 2 of the Commission Decision (which is concerned with the conditions under which consignments of rice products may first be placed on the market);
(b)the first sentence of Article 3 (1) of that Decision (which is concerned with control measures relating to rice products presented for importation or already on the market); and
(c)Article 4 of that Decision (which is concerned with contaminated consignments).
(5) Each feed authority and each food authority must give such assistance and information to the Welsh Ministers and the Food Standards Agency as they may reasonably request in connection with the execution and enforcement of these Regulations.