Change of use

(1) If the use of a building is changed so that the building enters into a different class, the whole building shall be made to comply with the provisions of this Act or the building regulations for the new class. A written notice shall be forwarded by the owner of the building to the local authority. (2) If a building is divided to form two or more occupancies each of which is or is intended to be of the same use as the whole 33 building was before the division, then each occupancy so formed and the separation between them shall comply with the provisions of this Act or the building regulations as if the whole building was being newly erected. (3) This section also applies to a person intending to construct a pre-fabricated building, who shall submit all plans and other documents required by this Act or regulations made hereunder for approval by the Authority, the Director or a Building Unit before any work commences to construct the said