Amends the Illinois Public Labor Relations Act. Specifies further requirements for labor unit clarification. Provides that no collective bargaining agreement entered into between an executive branch constitutional officer or any agency or department of an executive branch constitutional officer and a labor organization may extend more than 12 months after the date on which the terms of office of executive branch constitutional officers begin (currently, may extend beyond June, 30). Provides an exemption concerning collective bargaining agreements and the increase of salary, wages, or benefits starting on or after the first day of the terms of office of executive branch constitutional officers. Modifies defined terms. Effective immediately.