In all cities that adopt or have adopted the minority representation plan for the election of alderpersons and have not already staggered the terms of their alderpersons , the city council may provide by ordinance that at any ensuing general municipal election for city officers the alderpersons in every alternate district shall be elected for one term of 2 years and, at the expiration of that term of 2 years, for regular terms of 4 years. This Section does not prohibit a city from voting in favor of a 2 year term for city officers as provided in Section 3.1-10-65. The provisions of the general election law shall govern elections under this Section.
65 ILCS 5/3.1-15-40