Singapore legislation
Section 25
Section 25
Presumption
(1)
Where any offensive weapon or any explosive, corrosive or inflammable substance is found in or on any premises the occupier of the premises shall be deemed to be in possession of the weapon or substance unless he proves that some other person was in possession thereof or that he had no knowledge or reasonable means of knowledge that the weapon or substance was in or on the premises, and that he had taken all reasonable precautions against such weapon or substance being kept in or on the premises.
(2)
In any prosecution under section 24(2) it shall be presumed until the contrary is proved that any weapon or substance was intended to be used for a purpose prejudicial to the maintenance or restoration of public order if —
the number of weapons or the quantity of the substance found exceeded the quantity reasonably required to be kept by the accused for ordinary use and consumption in his household or establishment and (in the case of a person carrying on business) exceeded the quantity reasonably required to be kept in the ordinary course of such business;
the weapons or substance were kept concealed or in a place other than that in which they might reasonably be expected to be kept for domestic or, in the case of a person carrying on business, for business purposes; or
the substances were kept in containers other than containers of a kind in which such substances are ordinarily kept for domestic or, in the case of a person carrying on business, for business purposes. [26