Drinking alcohol in public is prohibited by law in all of Canada. Furthermore, smoking is not permitted in any public place and building.
General limit: 0,8‰
Depending on your citizenship, you may need an Electronic Travel Authorization (eTA) or a visa to travel to Canada.
Transport companies, such as airlines, must ensure you have proper, valid travel documents when you travel to Canada. If you do not have the proper documents, including an eTA or visa, you may be delayed or denied boarding.