(1)  The provisions of this Act apply to crimes committed before or after its commencement.

(2)  The provisions of this Act do not apply to a crime if –

(a) the law under which the crime is created explicitly or impliedly makes the place of commission an element of the crime; or

(b) the law under which the crime is created is a law of extraterritorial operation which explicitly or impliedly excludes the requirement for a territorial nexus between the State and an element of the crime; or

(c) a charge has been laid before the commencement of this Act.

(3)  The provisions of this Act are in addition to, and do not derogate from, any other basis on which the court may exercise criminal jurisdiction.