70 ILCS 920/3
All courts shall take judicial notice of all tuberculosis sanitarium districts organized under this Act. The affairs of such district shall be managed by a board of 3 directors, appointed by the presiding officer of the county board with the advice and consent of the county board, of the county in which the district is situated, except that in districts of 500,000 or more population the board of directors shall consist of 5 members. At least one member of the board of directors shall be a licensed physician, and all shall be chosen with reference to their special fitness for the office. The first appointments shall be made within 90 days and not sooner than 60 days after the district has been organized as provided herein. Each member of the board shall be a legal voter in the district. At the time of the making of the first appointments, one director shall be appointed for a term of one year, one for a term of 2 years, and one for 3, as the case may be, for a term of 3 years, and until their successors are appointed and qualified. At the expiration of the term of any member, his successor shall be appointed in like manner for a term of 3 years and until his successor is appointed and qualified. But no more than 2 members of such board, if it shall be a board of 3 members, and no more than 3 members of such board, if it shall be a board of 5 members, shall be of the same political party. Each member of the board before entering upon the duties of his office shall take the oath prescribed by the Constitution.
From the time of the appointment of the first board of directors, such district shall be a body corporate and politic by the name and style determined as aforesaid, and by such name may sue and be sued, contract and be contracted with, acquire and hold real and personal estate necessary for the corporate purposes and adopt a seal and alter the same at its pleasure.
70 ILCS 920/3