Md. Code, State Personnel and Pensions § 25–304

A member of the Correctional Officers’ Retirement System who previously terminated membership and withdrew accumulated contributions from either the Correctional Officers’ Retirement System, the Employees’ Retirement System, or the Teachers’ Retirement System may receive service credit for the period of employment during the previous membership if the member redeposits in a single payment the withdrawn accumulated contributions plus regular interest to the date of redeposit.