Ill. Admin. Code tit. 2, § 1925.730
The quorum requirements are as specified in Section 4(i) of the Act, as amended from time to time. A vacancy in the membership of the State Board shall not impair the right of a quorum to exercise all the rights and perform all the duties of the State Board as provided by this Act. [20 ILCS 3960/4(i)]
(Source: Amended at 49 Ill. Reg. 15977, effective December 2, 2025)