Md. Code, Public Safety § 14–113

(a) Each emergency management agency established under this subtitle and its officers shall execute and enforce the orders, rules, and regulations made by the Governor under authority of this subtitle.

(b) With respect to the threat or occurrence of an enemy attack, act of terrorism, or public health catastrophe, each law enforcement officer of the State or a political subdivision and each health officer of a political subdivision shall execute and enforce the orders, rules, and regulations made by the Governor under authority of this subtitle.