It shall be the duty of the Authority—
in conjunction with the Health and Safety Executive, to prepare and from time to time revise a document setting out such means as may... be agreed between the Authority and that Executive for securing co-operation and the exchange of information between them; and
without prejudice to the effect or operation of any relevant statutory provisions (within the meaning of Part I of the Health and Safety at Work etc. Act 1974), to conduct itself in the carrying out of its functions in accordance with any agreement contained in that document.
As soon as practicable after agreement is reached for the purposes of—
the preparation of a document in accordance with subsection (1) above, or
any revision of a document prepared in accordance with that subsection,
the Authority 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.