The standard non-parole period under the post-2013 ss 54A and 54B is a legislative guidepost to be taken into account as part of a single-stage instinctive synthesis; the sentencing court is not required to compare and contrast the actual offence with the abstract notional offence in s 54A(2), nor to identify the extent to which the seriousness of the offence differs from the notional mid-range offence. Factors personal to the offender that are causally connected with the commission of the offence (including intellectual impairment and disadvantaged background) may be taken into account in assessing objective gravity as part of the instinctive synthesis, but the 2013 amendments did not expand s 54A(2) to include personal characteristics in the abstract concept of the standard non-parole period.
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