(805 ILCS 5/8.10) (from Ch. 32, par. 8.10)
    Sec. 8.10. Number, election and resignation of directors. (a) The board of directors of a corporation shall consist of one or more members. The number of directors shall be fixed by the by-laws, except the number of initial directors shall be fixed by the incorporators in the articles of incorporation or at the organizational meeting. In the absence of a by-law fixing the number of directors, the number shall be the same as that fixed in the articles of incorporation or at the organizational meeting. The number of directors may be increased or decreased from time to time by amendment to the by-laws.
    (b) The by-laws may establish a variable range for the size of the board by prescribing a minimum and maximum (which may not exceed the minimum by more than five) number of directors. If a variable range is established, the number of directors may be fixed or changed from time to time, within the minimum and maximum, by the directors or the shareholders without further amendment to the by-laws.
    (c) The terms of all directors expire at the next annual shareholders' meeting following their election unless their terms are staggered under subsection (e). The term of a director elected to fill a vacancy expires at the next annual shareholders' meeting at which his or her predecessor's term would have expired. The term of a director elected as a result of an increase in the number of directors expires at the next annual shareholders' meeting unless the term is staggered under subsection (e).
    (d) Despite the expiration of a director's term, he or she continues to serve until the next meeting of shareholders at which directors are elected. A decrease in the number of directors does not shorten an incumbent director's term.
    (e) If the board of directors consists of six or more members, in lieu of electing the membership of the whole board of directors annually, the articles of incorporation or by-laws may provide that the directors shall be divided into either two or three classes, each class to be as nearly equal in number as is possible. The term of office of directors of the first class shall expire at the first annual meeting of shareholders after their election, that of the second class shall expire at the second annual meeting after their election, and that of the third class, if any, shall expire at the third annual meeting after their election. At each annual meeting after such classification, the number of directors equal to the number of the class whose terms expire at the time of such meeting shall be elected to hold office until the second succeeding annual meeting, if there be two classes, or until the third succeeding annual meeting, if there be three classes.
    (f) If the articles of incorporation authorize dividing the shares into classes or series, the articles may also authorize the election of all or a specified number or percentage of directors by the holders of one or more authorized classes or series of shares.
    (g) A director may resign at any time by giving written notice to the board of directors, its chairman, or to the president or secretary of the corporation. A resignation is effective when the notice is given unless the notice specifies a future date. The pending vacancy may be filled before the effective date, but the successor shall not take office until the effective date.
(Source: P.A. 83-1025.)