80 Ill. Adm. Code 1540.320
Optional Forms of Benefits - Basis of Computation
Section 1540
Section 1540.320 Optional
Forms of Benefits - Basis of Computation
For purposes of computing
optional forms of benefit provided in the Retirement Act, the interest used
shall be 8.50% per annum and the mortality rate shall be 52% of the rate in
Table A, column A plus 48% of the rate in Table A, column B for members and 48%
of the rate in Table A, column A plus 52% of the rate in Table A, column B for
surviving beneficiaries of members.