50 Ill. Adm. Code 4445.160
Definition of Annual Benefit
Section 4445.160 Definition of Annual Benefit
For purposes of IRC section 415(b), the "annual
benefit" means a benefit payable annually in the form of a straight life
annuity (with no ancillary benefits) without regard to the benefit attributable
to after-tax employee contributions (except pursuant to IRC section 415(n)) and
to rollover contributions (as defined in IRC section 415(b)(2)(A)). The
"benefit attributable" shall be determined in accordance with
Treasury Regulations (26 CFR 1.415(b)(2)(A)).