4.—(1) Subject to subsections (2) and (3), this Act shall apply in relation to an offence, whether committed or alleged to have been committed before or after the commencement of this Act.
(2) This Act shall, in relation to a European arrest warrant issued by a judicial authority in the Republic of Austria or the Italian Republic, apply to offences committed or alleged to have been committed on or after 7 August 2002 only.
(3) This Act shall, in relation to a European arrest warrant issued by a judicial authority in the French Republic, apply to offences committed or alleged to have been committed on or after 1 November 1993 only.