Extra-territorial Offences

3 Escape or rescue from detention in Republic of Ireland.
(1) A person who under the law of the Republic of Ireland is charged with, or convicted of—
(a) an extra-territorial offence under the law of the Republic of Ireland, or
(b) an act or omission which is also an offence triable under the law of Northern Ireland as an extra-territorial offence,
shall be guilty of an offence if he escapes from any legal custody in which he is held in the Republic of Ireland at any stage in the proceedings beginning with the charge (including the hearing of any appeal), or in which he is held while serving a sentence imposed on his conviction.
(2) A person shall be guilty of an offence if he escapes from legal custody in which he is held in the Republic of Ireland pursuant to any provision of the law of the Republic of Ireland corresponding to paragraph 4 of Schedule 4 to this Act (right of accused to attend examination of a witness out of court).
(3) A person guilty of an offence under this section shall be liable on conviction on indictment to imprisonment for a term not exceeding seven years.
(4) In this section and in the following provisions of this Act “extra-territorial offence under the law of the Republic of Ireland” means any offence under the law of the Republic of Ireland which—
(a) is committed in Northern Ireland and which is, under the law of Northern Ireland, an offence described in Part I of Schedule 1 to this Act, or
(b) is committed in Northern Ireland and is an offence under an enactment of the Republic of Ireland corresponding to section 2 of this Act, or to subsection (1) or (2) of this section, or
(c) is aiding, abetting, counselling, procuring or inciting the commission of an offence under paragraph (a) or (b) above, or
(d) is attempting or conspiring to commit an offence under paragraph (a) or (b) above, or
(e) is doing any act with intent to impede the arrest or prosecution of a person who has committed an offence under any of the preceding paragraphs of this subsection, being an offence which if committed in Northern Ireland would be an arrestable offence.
(5) For the purposes of subsection (4)(a) above paragraph 10 of Schedule 1 to this Act shall be read without sub-paragraph (2) (which restricts the offences there described to those where it is charged that an explosive, firearm, imitation firearm or weapon was used to commit the offence).