21The Residuary Body shall be treated as a local authority for the purposes of the following provisions of the [1985 c. 68.] Housing Act 1985—
(a)sections 43 and 44 (consent required for certain disposals of houses);
(b)sections 45 to 51 (restrictions on recovery of service charges after disposal of house);
(c)section 80 (secure tenancy: landlord condition);
(d)sections 442 (so far as relates to agreements within subsection (1)(b)) and 443 (local authority contributions to mortgage costs); and
(e)Part XVI (assistance for owners of defective premises disposed of by local authorities and others).