Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 23617.3. Contributions after voluntary retirement before reaching age of fifty years

Any person who shall, after the effective date of this act, be employed by the bureau of fire of the city and who shall become a member of the fund, and who, after twenty or more years service, retires voluntarily before reaching the age of fifty years, shall pay into the pension fund monthly a sum equal to the last monthly contribution paid while in the service until he or she reaches the age of fifty years, when such former employe shall be eligible to receive a pension allowance.