Where a co-offender played a greater role in the offending, the parity principle does not require a lower sentence merely because the offender pleaded guilty and had better antecedents than the co-offender who received the same sentence. Reduction of an individual sentence (rather than ordering partial concurrency) remains a permissible method of addressing totality, following Johnson v The Queen.
The full text is available to signed-in members, including the 22 later cases that cite this judgment.
1 of the 22 citing cases carry a classified treatment. How each court treated it is available to signed-in members.