Pennsylvania Statutes Title 16 P.S. Counties § 11664. Superannuation retirement allowance

(a) Any contributor who has reached superannuation retirement age may retire for superannuation by filing with the board a written statement duly signed by the contributor setting forth at what time he desires to be retired. The application shall retire the contributor at the time so specified.

(b) On retirement for superannuation, a retiree shall receive a retirement allowance which shall consist of: (i) a member's annuity which shall be the actuarial equivalent of his accumulated deductions standing to his credits in the members' annuity reserve account, and (ii) a county annuity equal to one-one hundred twentieth of his final salary multiplied by each year of total service, and, in addition thereto in the case of an original member, one-one hundred twentieth of his final salary multiplied by each year of prior service. At any time the board by rule may, by increasing the county annuity, authorize the payment of a minimum retirement allowance of one hundred dollars ($100) per month to every beneficiary who shall thereby retire for superannuation after twenty years service.

(c) Whenever the board has by rule authorized the members of the retirement system to transfer from the one-one hundred twentieth class to the one-one hundredth class, or whenever the board shall hereafter by rule authorize the transfer to the one-eightieth class, to the one-seventieth class or the one-sixtieth class, the county annuity shall be calculated as follows: