The Ontario Building Code | Elevator Requirements
18.104.22.168. Elevator Requirements
(1) Except as provided in Sentence (2), the elevator described in Article 22.214.171.124. shall be capable of providing transportation from each platform to a barrier-free entrance described in Article 126.96.36.199.
(2) Where it is necessary to change elevators to reach the entrance described in Sentence (1), the elevator system shall be designed so that not more than one change of elevator is required between,
(a) a platform and a fare-paid area control, and
(b) the fare-paid area control and the entrance.