449.3. When this subdivision has begun to apply to a municipality, it continues to apply even if its population falls below 20,000.
However, the council of the municipality may, by a resolution adopted by a two-thirds majority vote of its members, exempt itself from the application of this subdivision. The decision takes effect as of 1 January of the year following the year in which it is adopted.
2016, c. 172016, c. 17, s. 691.