Where a sentencing judge finds special circumstances under s 44 of the Crimes (Sentencing Procedure) Act 1999 (NSW) and adjusts individual sentences accordingly, the accumulation of those sentences must not produce a total effective sentence that negates the special circumstances finding without explanation. A discount for assistance to authorities unrelated to any specific offence should ordinarily be applied to all charges, not confined to one, and while mathematical precision is not required in the overall term, there must be some proportionality.
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