The ban also applies to polystyrene or compostable plastic products, whether used on-site in restaurants or for takeout, with the only exception being trays for raw meat and fish.
There are certain exceptions, including for non-profit groups like charities or organizations that deliver meals to vulnerable people.
Inspectors will be able to give a warning during the first visit, but from the second violation, merchants are exposed to fines ranging from $400 to $4,000.
Marie-Andrée Mauger, the city’s executive committee member in charge of ecological transition, says the city will show some leniency to allow merchants to clear their older stock.
Mauger told reporters last week the city’s only landfill will reach capacity in 2029, so there is no choice but to reduce waste at the source.