149. Nothing in section 148 shall be construed as preventing any municipality from receiving waste water or other substances from the territory of any other municipality, under contracts made before the date mentioned in that section, if the depollution works necessary to do so have not been acquired by the Community.
1969, c. 84, s. 181; 1982, c. 18, s. 56; 1993, c. 68, s. 34; 1996, c. 2, s. 522; 1999, c. 40, s. 68.