Maryland State Personnel and Pensions Section 22-217

      Membership ends if the member:

            (1)      is separated from employment for more than:

                  (i)      4 years, if a member of the Employees' Retirement System; or

                  (ii)      5 years, if a member of the Teachers' Retirement System;

            (2)      withdraws the member's accumulated contributions;

            (3)      transfers to the Employees' Pension System or Teachers' Pension System;

            (4)      becomes a retiree; or

            (5)      dies.