Maryland Code, Correctional Services § 11-106

(a) On approving local correctional facility plans that require State financial assistance, the Secretary shall enter into a written contract with the county or counties involved setting forth the rights, powers, duties, and responsibilities of all parties.

(b) The contract may provide for the housing and rehabilitation in a local correctional facility of incarcerated individuals sentenced to State correctional facilities under conditions agreed on by all parties.

(c) The Secretary may not approve a contract unless the contract provides:

(d) In the absence of any contract, court order, or consent decree, incarcerated individuals sentenced to the jurisdiction of the Division of Correction may not be housed in a local correctional facility for more than 30 days while awaiting transfer to the Division of Correction.