5(1)The Minister shall publish national standards for the implementation of sustainable drainage.
(2)Standards must address the way in which drainage systems—
(a)are designed,
(b)are constructed,
(c)are maintained, and
(d)operate.
(3)Standards may—
(a)permit or require approving bodies to form judgments by reference to specified criteria;
(b)require approving bodies to have regard to guidance to be issued by the Minister.
(4)The Minister must consult before publishing standards.