(1) An aviation security officer or a member of the Police Force may, without a warrant, arrest a person within an airport or on board an aircraft:
(a) who commits an aviation security offence and, after being warned that he or she may be arrested, persists in its commission; or
(b) who refuses to leave an aircraft, an aviation security restricted area of the airport or navigation facility after being requested by a security officer to do so; or
€ if he or she has reasonable grounds to believe that the person:
(i) has committed an aviation security offence and he or she cannot establish the person's name and address; or
(ii) is in the act of committing an aviation security offence.
(2) Any person who, when called upon to do so by a member of the Police Force, assists him or her in arresting any person committing an offence is not liable to be sued in any civil proceedings.