Md. Code, Public Safety § 14–307

(a) In this section, “emergency” includes an emergency that results from fire, flood, riot, robbery, weather, or other cause.

(b) If an emergency exists in a political subdivision, the Governor may proclaim a day for the general cessation of business in that political subdivision.

(c) If an emergency exists as to a banking institution, the Governor:

(1) may proclaim a day on which the banking institution may remain closed; and

(2) shall limit the proclamation to the principal banking office and branch offices of the banking institution that the emergency affects.