Prohibition on creating conditions favourable to vectors
16.—(1)  No person shall create or cause or permit to be created any condition favourable to the propagation or harbouring of vectors.
(2)  Every person shall comply with all such reasonable directions as may be given by the Commissioner or any public health officer with a view to ensuring that such conditions do not arise or with a view to terminating such conditions.
(3)  Such directions may be given to the owner or occupier of any premises, vessel or aircraft and to any person therein, including the agents and servants of such owner or occupier.
(4)  If in any proceedings for a contravention of subsection (1) it is shown that the condition on any premises, vessel or aircraft is favourable to the propagation or harbouring of vectors, it shall be presumed, unless the contrary is proved, that the condition is created, or caused or permitted to be created by the owner or occupier of such premises, vessel or aircraft.