(a) Transfer from public service system to teacher service system. -- Notwithstanding the provisions of law governing the West Virginia Public Employees Retirement System, in the event a member leaves a position covered by the public system and becomes employed in a position covered by the teacher system, he shall not forfeit his credited service acquired as a member of the public system: Provided, That he returns to the public system the amount of accumulated contributions he might have withdrawn therefrom, together with interest prescribed by the said public system: Provided, however, That he has not retired under either the public system or the teacher system: Provided further, That after the effective date of this article such subsequent employment in a position covered by the teacher system must occur within a period of five years from and after the date on which such person left a position covered by the public system. Such return of accumulated contributions shall be made in accordance with such rules and regulations as the board of trustees of the public system shall from time to time adopt.
(b) Transfer from teacher service system to public service system. -- Notwithstanding the provisions of law governing the state teachers' retirement system, in the event a member leaves a position covered by the teacher system and becomes employed in a position covered by the public system, he shall not forfeit his credited service acquired as a member of the teacher system: Provided, That he returns to the teacher system the amount of accumulated contributions he might have withdrawn therefrom, together with interest prescribed by the said teacher system: Provided, however, That he has not retired under either the public system or the teacher system: Provided further, That after the effective date of this article such subsequent employment in a position covered by the public system must occur within a period of five years from and after the date on which such person left a position covered by the teacher system. Such return of accumulated contributions shall be made in accordance with such rules and regulations as the retirement board of the teacher system shall from time to time adopt.