The Secretary of State may, by directions, prescribe descriptions of information which are to be furnished for purposes connected with the transfer by authorities to companies of the relevant part of the undertakings of authorities.

It shall be the duty of F3. . . a waste disposal authority, on being requested to do so by a written notice served on it by the Secretary of State, to furnish to the Secretary of State such information of a description prescribed under sub-paragraph (1) above as may be specified in the notice.