2. Notwithstanding the provisions of the first paragraph of section 1, the discharging of snow into a body of water or a watercourse is allowed under the following conditions:(1) the discharging of snow into the body of water or the watercourse is carried out by a person or a municipality that, during the winter period extending from November 1996 to April 1997, was already using that elimination method;
(2) the discharging of snow into the body of water or the watercourse is done at the same place where it was done during the winter period mentioned in subparagraph 1, and in a volume that may not exceed the volume discharged during that same period;
(3) the person or municipality mentioned in subparagraph 1 had, before 1 November 1997, the Minister of Sustainable Development, Environment and Parks approve, under sections 116.2 to 116.4 of the Environment Quality Act (chapter Q-2), a depollution program ensuring that not later than the expiry of the period agreed upon in the program, which period may not extend beyond 1 November 2000, the discharging of snow into the body of water or the watercourse will have ceased completely; and
(4) the person or municipality covered by the depollution program mentioned in subparagraph 3 complies with the conditions of the program and pays the duties required under section 3.