(1)Section 4 of the Act of 1959 so far as it relates to applications made by virtue of section 45 of this Act shall not apply to an application made in respect of a dwelling which is or forms part of a house or building in respect of which the local authority are satisfied that they have power to serve a notice under section 15 of the Act of 1961 (which, as extended by section 21 of that Act, relates to the execution of works in houses and buildings in a state not suitable for multiple occupation).
(2)In the application of this section to Scotland, for the reference to section 4 of the Act of 1959 there shall be substituted a reference to section 19 of that Act.