It shall be the principal aim of the Agency (subject to and in accordance with the provisions of this Act or any other enactment and taking into account any likely costs) in discharging its functions so to protect or enhance the environment, taken as a whole, as to make the contribution towards attaining the objective of achieving sustainable development mentioned in subsection (3) below.

The Ministers shall from time to time give guidance to the Agency with respect to objectives which they consider it appropriate for the Agency to pursue in the discharge of its functions.

The guidance given under subsection (2) above must include guidance with respect to the contribution which, having regard to the Agency’s responsibilities and resources, the Ministers consider it appropriate for the Agency to make, by the discharge of its functions, towards attaining the objective of achieving sustainable development.

In discharging its functions, the Agency shall have regard to guidance given under this section.

A draft of any guidance proposed to be given under this section shall be laid before each House of Parliament and the guidance shall not be given until after the period of 40 days beginning with the day on which the draft was so laid or, if the draft is laid on different days, the later of the two days.

If, within the period mentioned in subsection (6) above, either House resolves that the guidance, the draft of which was laid before it, should not be given, the Ministers shall not give that guidance.

In reckoning any period of 40 days for the purposes of subsection (6) or (7) above, no account shall be taken of any time during which Parliament is dissolved or prorogued or during which both Houses are adjourned for more than four days.

The Ministers shall arrange for any guidance given under this section to be published in such manner as they consider appropriate.