The Secretary of State shall as soon as possible prepare and publish a statement (in this Part referred to as "the strategy") containing policies with respect to the assessment or management of the quality of air.
The strategy may also contain policies for ...—
so far as relating to the quality of air.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Secretary of State—
The strategy must be reviewed, and if appropriate modified—
Without prejudice to the generality of what may be included in the strategy, the strategy must include statements with respect to—
In preparing the strategy or any modification of it, the Secretary of State shall consult—
Before publishing the strategy or any modification of it, the Secretary of State—
The Welsh Ministers may by regulations amend this section for the purpose of changing the period within which they must review the strategy.
Subsections (6) and (7) do not apply in relation to the Welsh Ministers.
In reviewing the strategy, the Welsh Ministers must consult—