Sec. 4.1066. Buy Back of Periods of Uncompensated Leave from City Service. (a) Definitions. For the purpose of this section, the following words and phrases shall have the meaning ascribed to them in this subsection unless a different meaning is clearly indicated by the context: Leave of Absence shall mean an approved uncompensated leave of absence from City service, excluding any period of absence due to disciplinary suspension. Buy Back shall mean purchase by a member of retirement credit for periods of eligible leaves of absence from City service. (b) Eligibility. Every person who is a member on the effective date of this section, or who shall become a member subsequent thereto, shall be eligible to buy back credit for periods of uncompensated leave of absence from City service. (c) Application of Buy Back Credit. Buy back credit for periods of leave of absence from City service shall not count toward establishing the minimum ten (10) years of continuous service required to qualify for retirement under Subsection 4.1055(a), the minimum five (5) years of continuous service required to qualify for retirement under Subsection 4.1056(a), or the minimum (10) ten years of continuous service required to qualify for disability retirement under Subsection 4.1058(a). Further, such buy back credit shall not count as service or service credit for purpose of qualifying for any benefits provided in Chapter 11 of Division 4 of this Code. (d) Effect of Benefit Increases. If retirement benefits should be increased by City Council action pursuant to Section 1168 of the City Charter, such increased benefits shall be applicable to service credits purchased pursuant to this section. (e) Minimum Periods of Purchase. A member electing to buy back credit for periods of uncompensated leave of absence shall file with the Board of Administration a written application identifying the time periods for which credit is to be purchased. A member may buy back credit for one or more periods of uncompensated leave, except, however, a minimum of six (6) months of leave in the aggregate shall be purchased. Total buy back credit purchased shall not exceed the member’s actual City service at the time the buy back is concluded. (f) Agreement with the City Employees’ Retirement System - Buy Back Methods.