80 Ill. Adm. Code 1540.410
Final Average Compensation for Certain Alternative Retirement Annuity Recipients
Section 1540.410 Final Average Compensation for Certain
Alternative Retirement Annuity Recipients
For purposes of retirement and survivor annuities, in the
case of a member who first became a member of the System prior to January 1,
1998 and who is eligible to receive an alternative retirement annuity under
Section 14-110 of the Code on or after that date, "final average
compensation" means final average compensation as defined by Section
14-103.12(a), (c) or (d) of the Code, whichever is greater.