A. Any member whose first employment making him eligible for membership in one of the state systems occurred on or before June 30, 2010, who has ten or more years of creditable service, may withdraw from service and elect to leave his accumulated contributions in the system and upon reaching age sixty, he shall be eligible to receive a retirement allowance based on the credits he had at the time of his withdrawal from service.
B. Any member whose first employment making him eligible for membership in one of the state systems occurred on or after July 1, 2010, who has five or more years of creditable service, may withdraw from service and elect to leave his accumulated contributions in the system and upon reaching age sixty, he shall be eligible to receive a retirement allowance based on the credits he had at the time of his withdrawal from service.
C. Any member whose first employment making him eligible for membership in one of the state systems occurred on or after July 1, 2015, who has credit for five or more years of regular, full-time service may withdraw from service and elect to leave his accumulated contributions in the system, and upon reaching age sixty-two, he shall be eligible to receive a retirement allowance based on the credits he had at the time of his withdrawal from service.