- a) For purposes of calculating the final average compensation of a retirement annuity of a Tier 2 member, the average compensation for the last 12 months shall not exceed the average compensation of the final 48 month period by more than 25%. (See Section 14-103.12(a) of the Illinois Pension Code (Code) [40 ILCS 5].)
- b) For purposes of this Section, "Tier 2 Member" means a member of the System who is subject to the provisions of Section 1-160 of the Code.
(Source: Amended at 50 Ill. Reg. 353, effective December 26, 2025)