(a) Notwithstanding any other provision of law, no person shall demolish and the Mayor shall not permit the demolition of any housing accommodation or rental unit for the purpose of constructing or expanding a hotel, motel, inn, or other transient residential accommodation.
(b) No person shall construct or expand and the Mayor shall not permit the construction or expansion of a hotel, motel, inn, or other transient residential occupancy on the site of a housing accommodation or rental unit demolished after July 17, 1985.