(1) Notwithstanding any provisions of this Act, no order, abatement order or control order shall be invalid, and no person shall be excused from compliance therewith, by reason only that suitable alternative accommodation is not available for any person required to vacate the building or premises concerned.
(2) An authority shall not be liable to provide an occupant of a building or premises with alternative accommodation, notwithstanding that the authority may have informed such occupant of the availability of such accommodation.