85Power to obtain information
(1)A local housing authority, and any officer or employee of a local housing authority concerned with their housing functions, shall supply the Secretary of State with such information as he may specify, either generally or in any particular case, for the purpose of enabling the Secretary of State to exercise his functions under section 80 or 83 above.
(2)A local housing authority shall supply the Secretary of State with such certificates supporting the information required by him as he may specify.
(3)If a local housing authority, or any officer or employee of a local housing authority concerned with their housing functions, fails to comply with subsection (1) or (2) above before the end of such period as the Secretary of State may specify, he may exercise his functions under section 80 or 83 above on the basis of such assumptions and estimates as he sees fit.