The following promotable ranks are hereby established: sergeant and patrol officer. The number of officers in each respective position shall be determined by the president and board of trustees in the annual appropriation ordinance. All promotions shall be made by the board of fire and police commissioners in accordance with section 10-2.1-15 of the Illinois municipal code, with all vacancies being filled by promotion. Commencing on May 1, 2020, the promotable rank of lieutenant is eliminated and current positions within the rank of lieutenant shall be eliminated through attrition, with any eliminated lieutenant position being replaced by an additional position within the rank of sergeant. (Ord. 2005-20, 10-20-2005; amd. Ord. 2020-24, 11-19-2020)