s 12 Buildings without adequate sanitary facilities
12.—(1) If it appears to the Board that any building or part thereof is without adequate sanitary facilities, it may by written notice require the owner or occupier of the building —(a) to provide or install such sanitary facilities as the Board may consider adequate; or (b) to alter, improve, demolish or resite any sanitary facilities in such manner as the Board may require, within the time specified in the notice. (2) All sanitary facilities provided or installed in any building must be maintained, repaired and renewed to the satisfaction of the Board by the owner or occupier of the building. (3) All costs and expenses incurred for the provision, installation, alteration, demolition or re‑siting of sanitary facilities under this section must be borne by the owner or occupier of the building or the relevant part of the building.