Maryland Code, State Personnel and Pensions § 31-111.3

(a) An individual who is an employee of the City of Frostburg on the effective date shall receive eligibility service and creditable service in the Employees' Pension System equal to one-half of the individual's period of employment with the City of Frostburg before the effective date, as certified by the City of Frostburg as of the effective date.

(b) If an employee or former employee of the City of Frostburg becomes a member of the Employees' Pension System at any time after the effective date, the employee may not receive service credit for employment with the City of Frostburg before the effective date.