In Quebec, a 15-passenger van requires a mini-bus licence. https://saaq.gouv.qc.ca/en/road-safety/modes-transportation/in-a-fifteen-passenger-van/what-the-law-says/
So I'm wondering if 15-passenger vans are allowed to use the bus lanes in Montreal, specifically. Of particular interest would be the Champlain Bridge bus lane.
I know that Aeronavette from Sherbrooke to Pierre Elliott Trudeau uses 15-passenger vans, but I've never seen one on the bus lane to my memory. https://aeronavette.ca
I'm also pretty sure that the Greyhound buses (full buses) do use that lane, so I think it's not restricted to the Montreal Transportation system.
So are 15-passenger vans allowed to use the bus lanes, and if so, what are the requirements (example minimum passengers, commercial usage, etc.)