Illinois Statutes Chapter 40. Pensions § 5/20-124. Maximum benefits

(i) For purposes of calculating the combined retirement annuity and the proportionate reduction, if any, in a retirement annuity other than one payable under the self-managed plan, the amount of the Article 15 retirement annuity shall be deemed to be the highest annuity to which the annuitant would have been entitled if he or she had participated in the traditional benefit package as defined in Section 15-103.1 rather than the self-managed plan.

(ii) For purposes of calculating the combined survivor's annuity and the proportionate reduction, if any, in a survivor's annuity other than one payable under the self-managed plan, the amount of the Article 15 survivor's annuity shall be deemed to be the highest survivor's annuity to which the survivor would have been entitled if the deceased employee had participated in the traditional benefit package as defined in Section 15-103.1 rather than the self-managed plan.

(iii) Benefits payable under the self-managed plan are not subject to proportionate reduction under this Section.

(i) For purposes of calculating the combined retirement annuity and the proportionate reduction, if any, in a defined benefit retirement annuity, any benefit payable under the defined contribution plan shall not be considered.

(ii) For purposes of calculating the combined survivor's annuity and the proportionate reduction, if any, in a defined benefit survivor's annuity, any benefit payable under the defined contribution plan shall not be considered.

(iii) Benefits payable under a defined contribution plan established under Article 2, 14, 15, or 16 of this Code are not subject to proportionate reduction under this Section.