Section 115 ILCS 5/4.10 - [See note - contingent effective date] Length of work as subject of collective bargaining(a) Notwithstanding any other provision of this Act or other law to the contrary, with respect to a school district organized under Article 34 of the School Code only, collective bargaining between an educational employer and an exclusive representative of its employees may include decisions to determine the length of the work and school day and the length of the work and school year.(b) The subject or matters described in subsection (a) are permissive subjects of bargaining between the educational employer and an exclusive representative of its employees and, for the purpose of this Act, are within the sole discretion of the educational employer to decide to bargain, provided that the educational employer is required to bargain over the impact of a decision concerning the subject or matter on the bargaining unit upon request of the exclusive representative under Section 10.Added by P.A. 101-0663,§ 5, eff. 4/2/2021.Contingent voidness: Section 99 of P.A. 101-0663 provides: "Effective date. This Act takes effect upon becoming law, but this Act does not take effect at all unless House Bill 2275 of the 101st General Assembly, in the form in which it passed the House on March 28, 2019, becomes law."