Md. Code, State Pers. & Pens. § 31-2B-06

(a) This section applies to an individual who is a local detention center officer of Queen Anne’s County before the effective date, and who remains a local detention center officer of Queen Anne’s County through the effective date. (b) Notwithstanding any other provision of law, if Queen Anne’s County becomes a participating governmental unit in the Correctional Officers’ Retirement System, membership in the Correctional Officers’ Retirement System is mandatory for an individual described under subsection (a) of this section. (c) If Queen Anne’s County commences participation in the Correctional Officers’ Retirement System in accordance with subsection (b) of this section, an individual described under subsection (a) of this section is entitled to eligibility service and creditable service in the Correctional Officers’ Retirement System for employment with Queen Anne’s County before the effective date. (d) On joining the Correctional Officers’ Retirement System and receiving service credit as provided under subsection (c) of this section, an individual described under subsection (a) of this section shall: (1) no longer be a member of the Employees’ Pension System; and (2) have no further rights to any benefit in the Employees’ Pension System. (e) The transfer of creditable service for an individual described in subsection (a) of this section who is a member of the Employees’ Pension System through the effective date, and who transfers to the Correctional Officers’ Retirement System under this section, is not governed by Title 37 of this article. (f) If Queen Anne’s County becomes a participating governmental unit in the Correctional Officers’ Retirement System, § 31–2B–05(c) of this subtitle shall govern the transfer and crediting of assets on the effective date.