After section 4 of the 1986 Act there shall be inserted the following section—
(1)Subject to section 4(1) above, the Secretary of State and the Director shall each have a duty to exercise the functions assigned to him by or under this Part in the manner which he considers is best calculated to protect the public from dangers arising from the conveyance of gas through pipes or from the use of gas conveyed through pipes.
(2)In performing his duty under subsection (1) above, the Secretary of State or, as the case may be, the Director shall consult with and take into account any advice offered by the Health and Safety Executive.
(3)It shall also be the duty of the Director—
(a)in conjunction with the Health and Safety Executive, to prepare and from time to time revise a document setting out such means as may, with the approval of the Health and Safety Commission, be agreed between the Director and that Executive for securing co-operation and the exchange of information between them; and
(b)without prejudice to the effect or operation of any relevant statutory provisions (within the meaning of Part I of the [1974 c. 37.] Health and Safety at Work etc. Act 1974), to exercise the functions assigned to him by or under this Part in accordance with any agreement contained in that document.
(4)As soon as practicable after agreement is reached for the purposes of—
(a)the preparation of a document in accordance with subsection (3) above, or
(b)any revision of a document prepared in accordance with that subsection,
the Director shall send a copy of the document or, as the case may be, of the revised version of it to the Secretary of State, and the Secretary of State shall lay the copy before each House of Parliament.”