4. (1) Where, on or after the coming into operation of this subsection, a person commits an offence referred to as perjury, howsoever described, in an enactment specified in Schedule 1, he or she shall be liable to be proceeded against and punished as if he or she were guilty of perjury under this Act.

(2) A reference in an enactment specified in Schedule 2 to perjury or to subornation of perjury, howsoever described, in relation to an act committed on or after the coming into operation of this subsection, shall be construed as a reference to perjury or to subornation of perjury, as the case may be, within the meaning of this Act.