Walk-ins are available at the Guy Favreau complex. I'm not sure the passport office there will take you; when I went, they said to go downstairs to Service Canada if I didn't have an appointment. When I went downstairs they didn't have any walk-ins available anymore because I came too late. They said I should come at 8h30 if I want to make sure I have a spot.Is walking service available for non urgent application in Montreal? I really don’t want to part ways with my certificate