2(1)This paragraph applies in any case where a district in England for which there is a district council is comprised in an area for which there is a county council; and in this paragraph—E+W+S
(a)any reference to the county council is a reference to the council of that area; and
(b)any reference to a district council is a reference to the council of a district comprised in that area.
(2)It shall be the duty of the county council to provide a district council with all such information as is reasonably requested by the district council for purposes connected with the carrying out of its functions under or by virtue of this Part.
(3)It shall be the duty of a district council to provide the county council with all such information as is reasonably requested by the county council for purposes connected with the carrying out of any of its functions relating to the assessment or management of the quality of air.
(4)Information provided to a district council or county council under sub-paragraph (2) or (3) above shall be provided in such form and in such manner and at such times as the district council or, as the case may be, the county council may reasonably require.
(5)A council which provides information under sub-paragraph (2) or (3) above shall be entitled to recover the reasonable cost of doing so from the council which requested the information.
(6)The information which a council may be required to provide under this paragraph shall include information which, although it is not in the possession of the council or would not otherwise come into the possession of the council, is information which it is reasonable to require the council to obtain.