When membership ceases, such prior service certificates shall become void. Should the employee again become a member, he shall enter the system as an employee not entitled to prior service credit except as provided in Sections 25-11-105(I), 25-11-113 and 25-11-117.
Any actively contributing member participating in the School Administrator Sabbatical Program established in Section 37-9-77 shall qualify for continued participation under this subsection (9).
Miss. Code § 25-11-109