9. A business, including a municipality, that acquires oils referred to in section 2 for its own use from outside Québec is required to recover or to see to the recovery of all used oils after using them. If a business or municipality acquires, under the same conditions, oils, fluids or filters referred to in section 3 or 4, it is, in the same manner, required to recover or to see to the recovery of all discarded oil or fluid containers and used filters.