70 ILCS 1805/25

As soon as possible after appointment of the initial members, the Board shall organize for the transaction of business, select a chairman and a temporary secretary from its own number, and adopt by-laws and regulations to govern its proceedings. The initial chairman and successors shall be elected by the Board from time to time for the term of his office as a member of the Board or for the term of 3 years, whichever is shorter.