The amount of retirement annuity from which the widow's annuity is derived shall be that earned by the member without regard to whether he attained age 60 prior to his withdrawal under the conditions stated or prior to his death.
Attainment of age 18 (age 22 if a full-time student) shall render a child ineligible for further consideration in the increase of the widow's annuity, but the annuity to the widow shall be continued thereafter, without regard to her age at that time.
Beginning July 1, 2009, the offset under this subsection (d) shall no longer be applied to any widow's annuity of any person who began receiving retirement benefits or a widow's annuity prior to January 1, 1998.
Beginning July 1, 2009, the offset under this subsection (d) shall no longer be applied to the widow's annuity of any person who began receiving a widow's annuity on or after January 1, 1998 and before the effective date of this amendatory Act of the 95th General Assembly.
Any person who began receiving retirement benefits after January 1, 1998 and before the effective date of this amendatory Act of the 95th General Assembly may, during a one-time election period established by the System, elect to reduce his or her retirement annuity by 3.825% in exchange for not having the offset under this subsection (d) applied to his or her widow's annuity.
Any employee in service on the effective date of this amendatory Act of the 95th General Assembly may, at the time of retirement, elect to reduce his or her retirement annuity by 3.825% in exchange for not having the offset under this subsection (d) applied to his or her widow's annuity.
If a widow's annuity is payable to the widow of an employee based on the employee's death in service, then the offset under this subsection (d) shall no longer be applied to the widow's annuity.
A retiree who elects to reduce his or her retirement annuity under this subsection (d) in exchange for not having the offset applied may make an irrevocable election to eliminate the reduction of his or her retirement annuity if there is a change in marital status due to death or divorce, but the retiree is not entitled to reimbursement of any benefit reduction prior to the election.
40 ILCS 5/14-119