Clause 17

Whenever a pipe, syringe, utensil, apparatus or other article intended for the smoking, administration or consumption of a controlled drug is found in any place or premises, it shall be presumed, until the contrary is proved, that such place or premises is used for the purpose of smoking or administering a controlled drug.

Any person found in or escaping from any place or premises which is proved or presumed to be used for the purpose of smoking or administering a controlled drug shall, until the contrary is proved, be presumed to have been smoking or administering a controlled drug in such place or premises.