Any member of Plan A, Plan B, Plan L, or Plan Y who desires to purchase credited service for:

(a) prior City service,

(b) leaves of absence as authorized under Section 22-801(2), this subsection (b) also to apply to members of Plan D, Plan J, or Plan X,

(c) governmental service,

(d) a period of service with the City during which membership in the Retirement System was deferred, or

(e) a period of previously ineligible temporary service, under Section 22-803(7) of this Title;

And who failed to apply within the applicable period after their date of hire or the effective date of this Title (January 13, 1999), may nevertheless purchase said service, provided that the member pays interest on the purchase amount calculated from the date the employee was hired, rehired, or returned to service after a leave of absence. A member who had not purchased a period of service during which membership was deferred or which was previously ineligible temporary service may purchase said service, provided that the member pays interest on the purchase amount calculated from the date the employee would have made contributions if the employee had been a member at the time. Interest shall be charged at the current rate determined by the Board's actuary to compensate the Pension Fund for lost interest, currently 9% compounded annually, and shall be in addition to any interest to be paid for making any installment payments under the terms set forth in Section 22-806 (Installment Payments) of this Ordinance.