4.—(1) Every authority must exercise its specified functions in relation to disposal of waste—
(a)for the purposes of implementing Article 5 of the Waste Framework Directive, ignoring the words “in cooperation with other Member States where this is necessary or advisable”;
(b)for the purposes of implementing, so far as material, any waste management plan.
(2) Every pollution control authority must exercise its specified functions in relation to disposal of waste so as to ensure that the requirements in the second paragraph of Article 9(1) of the Waste Framework Directive are met.