When sentencing for historical offences committed in the early 1980s, the correct historical practice was that the non-parole period (not the parole period) bore a ratio of one-third to one-half to the total sentence. A failure to apply this correct ratio constitutes sentencing error warranting appellate interference. An offender's health conditions may be taken into account at either the head sentence or non-parole period stage, but double counting must be avoided.
The full text is available to signed-in members, including the 5 later cases that cite this judgment.
1 of the 5 citing cases carry a classified treatment. How each court treated it is available to signed-in members.