For the purposes of the International Convention for the Suppression of Terrorist Bombings, opened for signature in New York on 12 January 1998, may be prosecuted and tried under the conditions laid down in Article 689-1 any person guilty of a crime or offence of an act of terrorism as defined by the articles 421-1 and 421-2 of the Penal Code or the offence of terrorist association provided for by article 421-2-1 of the same code where the offence was committed using an explosive device or other lethal device as defined in Article 1 of the said convention.