"26.—(1) The person in command or in charge of a passenger boat or passenger ship, in Irish waters or being an Irish ship in waters anywhere, or a person in uniform on board, authorised by him or her or the owner or hirer of the boat or ship, may give directions to passengers on board, which in the circumstances are reasonable, in relation to the safety or security of, or safety or security procedures on board, the boat or ship or for the purposes of complying with section 22(2).