Section 257.27 - Continuation of instructional support program1. At the expiration of the period for which the instructional support program was adopted, the program may be extended for a period of not exceeding five or ten years in the manner provided in section 257.18.2. If the voters do not approve adoption of the instructional support program, the board shall wait at least one hundred twenty days following the election before taking action to adopt the program or resubmit the proposition.89 Acts, ch 135, §27; 2018 Acts, ch 1041, §127