35 ILCS 200/2-20
The township supervisors and clerks of townships comprising a multi-township assessment district, and the township board of trustees in townships that are not a part of a multi-township assessment jurisdiction, shall, ex officio, constitute a multi-township or township board of trustees for their respective assessment jurisdictions.
Each multi-township board of trustees shall organize and select one of its number as chairman, another as clerk and another as treasurer. These officers shall serve a term of 2 years or until their successors are elected, except no person shall be a member of a multi-township board of trustees after the expiration of his or her term as township supervisor or township clerk.
The powers and duties of a multi-township board of trustees or township board of trustees concerning property tax assessment administration shall be limited to the following: (1) levying taxes necessary to provide the funds required by the budget adopted for the township or multi-township assessor and certifying the levy to the county clerk, (2) determining and approving the budget of the assessor, (3) determining a salary for the assessor, and (4) setting the compensation of any assessor or temporarily appointed because the assessor is physically incapacitated, according to Section 60-5 of the Township Code. The levy shall not be included within any statutory limitation of rate or amount for other township purposes, but shall be in addition to that rate or amount. The board shall have no power to approve or disapprove personnel of the multi-township or township assessor. The treasurer of the multi-township board of trustees shall have the duties and responsibilities of the township supervisor in relation to the township assessor in the maintenance and disbursement of funds of the multi-township assessor.
The changes made in this Section by Public Act 82-554 do not apply to any township in a county with more than 3,000,000 inhabitants.
35 ILCS 200/2-20