(a) Any member of the Teachers' Retirement System who, not more than one year prior to becoming a member of the Teachers' Retirement System, was a member of the Employees' Retirement System of Alabama may elect to transfer to the Teachers' Retirement System his service credits in said Employees' Retirement System, as herein provided.

(b) Any such member so desiring to transfer such service credits shall notify the Board of Control of the Teachers' Retirement System after he becomes a member of the Teachers' Retirement System of his election to transfer such service credits and shall authorize transfer of the amount of his accumulated contributions to his credit in said Employees' Retirement System to the annuity savings fund of the Teachers' Retirement System.

(c) The Board of Control of the Employees' Retirement System shall thereupon certify to the Board of Control of the Teachers' Retirement System the period of membership service creditable to the member at the time of separation from the Employees' Retirement System, the period of prior service, if any, on his prior service certificate at the time of separation from the Employees' Retirement System and the value of the prior service contribution allowable for such prior service under the Employees' Retirement System. The member shall be credited in the Teachers' Retirement System with the service credits so certified; and, if he continues as a member until retirement, he shall receive in addition to the benefits allowable under the Teachers' Retirement System benefits based on the service and contributions so certified.

(d) If a member retires under the Teachers' Retirement System within five years after having elected to transfer such service credits from said Employees' Retirement System, the pension benefits payable with respect to such service credits shall not be greater than the pension benefits which would have been payable with respect thereto had he remained in said Employees' Retirement System.

(e) Notwithstanding anything herein to the contrary, a member of the Teachers' Retirement System on October 9, 1947, who was a member of the Employees' Retirement System of Alabama not more than one year prior to becoming a member of the Teachers' Retirement System may effect such a transfer of service credits from said Employees' Retirement System in the manner hereinabove described; provided, that he deposits in the Annuity Savings Fund of the Teachers' Retirement System prior to January 1, 1954, the amount of his accumulated contributions paid to him by said Employees' Retirement System.

(f) Should any person who has retired from the Employees' Retirement System and who is receiving retirement benefits for service as a state employee become a member of the Teachers' Retirement System, his benefits shall cease and the reserves remaining for his pension and annuity and all his service credits shall be transferred to the Teachers' Retirement System. The member shall be credited in the Teachers' Retirement System with the transfers so certified, and if he continues as a member until retirement his retirement benefits shall be based on his service in both systems.