Ill. Admin. Code tit. 80, § 1650.3200
For purposes of this Subpart R, "Tier II" means the provisions of Section 1-160 of the Illinois Pension Code that apply to certain members and annuitants of the Teachers' Retirement System of the State of Illinois (the "System") as defined therein.
(Source: Added at 40 Ill. Reg. 14099, effective September 28, 2016)