Maryland State Personnel and Pensions Section 31-302

      (a)      The legislative body of a participating governmental unit may withdraw from participation in the employees' systems and transfer to a local pension system any of the following groups of employees of the governmental unit who consent to the withdrawal:

            (1)      all employees of the participating governmental unit;

            (2)      fire fighters;

            (3)      law enforcement personnel; or

            (4)      subject to the approval of the Board of Trustees, a homogeneous unit of at least 10 employees.

      (b)      The legislative body of a participating governmental unit may withdraw from participation in the Local Fire and Police System and shall transfer to a local pension system all employees of the participating governmental unit.

      (c)      The legislative body of a participating governmental unit may withdraw from participation in the Law Enforcement Officers' Pension System and transfer to a local pension system the law enforcement officers of the participating governmental unit who consent to the withdrawal.