10. A trailer or semi-trailer leased for a period not exceeding twelve months is exempt from registration in Québec if(1) its unloaded mass is 900 kg or less,
(2) its owner is not required to hold a leasing permit from the Commission des transports du Québec,
(3) the leasing contract is entered into outside Québec, and
(4) it is in the possession of the lessee.