Extradition (European Convention on the Suppression of Terrorism) Act, 1987
Jurisdiction in respect of certain offences committed outside the State.
5.—(1) If a person, whether an Irish citizen or not, does in a convention country an act which—
(a) if he had done it in the State, would have constituted an offence, and
(b) falls within the description of any of the offences referred to in subparagraph (iii), (iv) or (v) of section 3 (3)(a),
or attempts in a convention country to do any such act, he shall be guilty of the offence which the act or attempt would have constituted if he had done or made it in the State.
(2) If a person who is a national of a convention country but not an Irish citizen does outside the State and that convention country an act which—
(a) constitutes an offence under the law of that convention country,
(b) if he had been an Irish citizen, would have constituted the offence of murder or manslaughter or an offence under section 2 or 3 of the Explosive Substances Act, 1883 (as substituted by section 4 of the Criminal Law (Jurisdiction) Act, 1976 ), and
(c) falls within the description of any of the offences referred to in subparagraph (iii), (iv) or (v) of section 3 (3)(a),
he shall be guilty of the offence which the act would have constituted if he had been an Irish citizen.
(3) (a) For the purposes of this section, any act done on board a ship, aircraft or hovercraft, when it is in or over the territory of a convention country, shall be treated as done in that country and any act done on board a ship, aircraft or hovercraft registered in a convention country shall be treated as done in that country and in the convention country (if any) in or over whose territory it is done.
(b) In paragraph (a) “territory” includes territorial seas.
(4) The provisions of the law of the State applied by virtue of this section to things done in any other country shall be read for the purposes of this Act with any necessary modifications.
(5) This section shall apply only to acts done after the commencement of this Act.