(a) The rules and regulations in this part shall be enforced by the Captain of the Port under the supervision and general direction of the District Commander, Area Commander, and the Commandant. All authority and power vested in the Captain of the Port by the regulations in this part shall be deemed vested in and may be exercised by the District Commander, Area Commander, and the Commandant.

(b) The rules and regulations in this part may be enforced by any other officer or petty officer of the Coast Guard designated by the District Commander, Area Commander, or the Commandant.

(c) Any authority or power under this part vested in, delegated to, or exercised by a member of the Coast Guard shall be subject to the direction of the Secretary of the Department in which the Coast Guard is operating.

(d) Actions taken and decisions made under this part can be appealed through the procedures outlined in 33 CFR 160.7.

The Captain of the Port may prevent any person, article, or thing, including any data, information, network, program, system, or other digital infrastructure, from boarding or being taken or placed on board any vessel or entering or being taken into or upon or placed in or upon any waterfront facility whenever it appears to the Captain of the Port that such action is necessary in order to secure such vessel from damage or injury or to prevent damage or injury to any vessel, or waterfront facility, including any data, information, network, program, system, or other digital infrastructure therein or thereon, or waters of the United States, or to secure the observances of rights and obligations of the United States.

The Captain of a Port may establish security zones subject to the terms and conditions specified in § 6.01-5. No person or vessel shall enter a security zone without the permission of the Captain of the Port. No person shall board or take or place any article or thing, including any data, information, network, program, system, or other digital infrastructure, on board any vessel in a security zone without the permission of the Captain of the Port. No person shall take or place any article or thing upon any waterfront facility in any such zone without such permission.

As consistent with law, the Captain of the Port may cause to be inspected and searched at any time any vessel, waterfront facility, or security zone, or any person, article, or thing, including any data, information, network, program, system, or other digital infrastructure thereon or therein, within the jurisdiction of the United States, may place guards upon any such vessel, waterfront facility, or security zone and may remove therefrom any and all persons, articles, or things, including any data, information, network, program, system, or other digital infrastructure, not specifically authorized by the Captain of the Port to go or remain thereon or therein.

The Captain of the Port may supervise and control the movement of any vessel and shall take full or partial possession or control of any vessel or any part thereof, within the territorial waters of the United States under the Captain of the Port's jurisdiction, whenever it appears to the Captain of the Port that such action is necessary in order to secure such vessel from damage or injury, including damage to any data, information, network, program, system, or other digital infrastructure thereon or therein, or to prevent damage or injury to any vessel or waterfront facility or waters of the United States, or to secure the observance of rights and obligations of the United States.

The Captain of the port may enlist the aid and cooperation of Federal, State, county, municipal, and private agencies to assist in the enforcement of regulations issued pursuant to this part.