290. Where a by-law passed under article 289 comes into force in the municipality, the term of office of the persons elected at the first election of the mayor following such coming into force is four years.
The term of office of the persons elected at the election held the following year is three years.
The term of office of the persons elected, if such is the case, at the election held during the second year following is two years.
This article applies only to elections held at the time fixed in accordance with article 279, unless it is fixed by a special Act.