(1) The owner or occupier of a prescribed building must not (a) without the approval of the Chief Officer, put a locking device that does not comply with the BCA on a door forming part of any required exit; or(b) permanently or temporarily block up a required exit; or(c) leave in any required exit any thing so that the fire escape becomes (i) narrower than the minimum width specified in the BCA; or(ii) hazardous to persons using the required exit in the case of fire; or(d) impede the use of a fire escape.Penalty: Fine not exceeding 26 penalty units and, for a continuing offence, a further fine not exceeding 1 penalty unit for each day during which the offence continues.(2) The owner or occupier of a building must not cause or permit a person to contravene subregulation (1) in that building.Penalty: Fine not exceeding 52 penalty units and, for a continuing offence, a further fine not exceeding 1 penalty unit for each day during which the offence continues.