(a) Any member who withdraws from service upon or after attainment of age 62 may retire upon written application to the Board of Control setting forth at what time, not less than 30 days nor more than 90 days subsequent to the execution and filing thereof, he or she desires to be retired; provided, that any such member shall have completed 10 or more years of membership service in the District Attorneys' Plan.
(b) Any member who has attained age 62 and has previously withdrawn from service may retire upon written application to the Board of Control setting forth at what time, not less than 30 days nor more than 90 days subsequent to the execution and filing thereof, he or she desires to be retired; provided, that any such member shall have completed 10 or more years of membership service.
(c) Upon retirement from service, the member shall receive a service retirement allowance which shall consist of an annuity, which shall be the actuarial equivalent of the member's accumulated contributions at the time of retirement, and a pension, which when added to the member's annuity shall be equal to three percent (3%) of the member's average final compensation multiplied by the member's number of years of membership service. Notwithstanding the foregoing, the service retirement allowance shall not exceed eighty percent (80%) of the member's average final compensation.