The case restates the comprehensive framework for Crown appeals against sentence, including the residual discretion, and confirms that the parity principle cannot be used to increase a sentence beyond that which is thought to be appropriate. For drug supply offences under s 25(2) of the DMT Act involving approximately 1 kg of methylamphetamine at high purity, where the offender acts as a broker (above mere courier but below principal), the objective seriousness is below mid-range but not at the lowest level, and sentences at the very bottom of the range will be manifestly inadequate.
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