PART XIII TRANSPORTATION OF WORKERS — Seat belts
281
(1) Where reasonably practicable, a vehicle used to transport workers shall have seats with full seat backs.
281(2)
A seated worker shall wear a seat belt while being transported in a vehicle equipped with seat belts and the number of workers being transported shall not exceed the number of seat belts available in the vehicle.
Not legal advice. Verify the cited article against the signed agreement.