Chapter 7A, after section 490—
insert—
'(1) For section 181(2)(a) as inserted by the amendment Act, a prisoner's parole eligibility day continues to be the day after the day on which the prisoner has served 20 years or the longer time ordered under the Criminal Code, section 305(2) if—
(a) the Criminal Code, section 305(2) as amended by the amendment Act did not apply on sentence; but
(b) that section as it existed before the commencement applied on sentence.
'(2) Section 181(2)(c) as inserted by the amendment Act only applies to a prisoner who is serving a term of imprisonment for life for an offence of murder committed after the commencement.
'(3) In this section—
amendment Act means the Criminal Law Amendment Act 2012.
commencement means the commencement of the amendment Act, section 7.'.