When an unmarried policeman withdraws from service and enters upon annuity, and when a policeman becomes a widower while still in service, his accumulations for widow's annuity shall then be refunded to him upon request. The widow of a policeman who has received a refund under this Section shall have no right to an annuity from the Fund, unless (1) the amount of the refund, plus interest thereon from the date of refund to the date of payment, is repaid to the Fund within one year after the date of marriage, and (2) the date of marriage is at least one year prior to the date of death, and (3) the widow otherwise qualifies under the terms of this Article.
40 ILCS 5/5-165