Customs Act 2015
Power to enter, inspect and patrol certain places
25. (1) An officer of customs, and any person assisting such officer, may, for the purposes of carrying out their functions under the Customs Acts, at any time and without warrant—
(b) patrol upon and pass freely along and over any part of the coast or shore and over any land within 32 kms of the land frontier and may remain in any such place for the purposes of carrying out patrols or surveillance,
and shall not be liable in any proceedings for anything done in the discharge or purported discharge of his or her functions under this section.
(2) An officer of customs, when exercising a power under this section, may be accompanied by other persons and may take with him or her, or those persons may take with them, any equipment, materials, vessel, aircraft, vehicle, customs dog or other thing to assist the officer in the exercise of the power.
(3) An officer of customs or other person in charge of any vessel employed for the prevention of smuggling may anchor, moor, berth or land the vessel, or haul the vessel ashore, at any place within the State and at no cost to the State.