4.—(1) Each enforcement authority must, within its area, enforce and execute the provisions of these Regulations.
(2) For the purposes of the exercise of the duty referred to in paragraph (1), an inspector of the authority concerned must ensure that the requirements referred to in paragraph (3) are met.
(3) The requirements are those specified in —
(a)Article 3 of that Decision (which is concerned with the sampling and analysis of controlled products), other than the requirement to supply the Commission with specified information; and
(b)Article 4 of that Decision (which is concerned with measures to be taken to ensure that controlled products that are found to contain Bt 10 maize or feed produced from Bt 10 maize are not placed on the market).
(4) Each enforcement authority must give such assistance and information to the National Assembly for Wales and the Food Standards Agency as they may reasonably request in connection with the execution and enforcement of these Regulations.