Section 40 ILCS 5/7-165 - Beneficiary annuities(a) The beneficiary entitled to a death benefit under paragraph 1, 2 or 3 of Section 7-164 may elect to receive the benefit in the form of an annuity for life, if the death benefit will provide an immediate annuity of at least $10 per month.(b) When a death benefit is payable in the form of an annuity, the annuity shall begin on the first day of the month following the month of death of the employee or annuitant;(c) The amount of beneficiary annuity shall be that which can be provided from the death benefit under actuarial tables adopted by the Board.(d) If a deceased participating employee has additional credits, the beneficiary may elect to receive an annuity for life in an amount which can be provided therefrom under actuarial tables adopted by the Board, provided the annuity would be at least $10 per month.