Immigration Act 2004
F10 [ Requirements as to documents of identity and supply of information.
11. — (1) Every person (other than a person under the age of 16 years) landing in the State shall be in possession of a valid passport or other equivalent document, issued by or on behalf of an authority recognised by the Government, which establishes his or her identity and nationality.
(2) Every person landing in or embarking from the State shall furnish to an immigration officer, when requested to do so by that officer —
( a ) the passport or other equivalent document referred to in subsection (1) , and
( b ) such information in such manner as the immigration officer may reasonably require for the purposes of the performance of his or her functions.
(3) ( a ) A person who contravenes this section shall be guilty of an offence.
( b ) In proceedings brought against a person for an offence under this section, it shall be a defence for the person to prove that, at the time of the alleged offence, he or she had reasonable cause for not complying with the requirements of this section to which the offence relates.
(4) This section does not apply to any person (other than a non-national) coming from, or embarking for, a place in the State, Great Britain or Northern Ireland.
(5) In this section and section 12 , ‘ non-national ’ means a person who is neither —
( a ) an Irish citizen, nor
( b ) a person who has established a right to enter and be present in the State under the European Communities (Aliens) Regulations 1977 ( S.I. No. 393 of 1977 ), the European Communities (Right of Residence for Non-Economically Active Persons) Regulations 1997 ( S.I. No. 57 of 1997 ) or the European Communities (Free Movement of Persons) Regulations 2006 and 2008. ]