appeal against sentence — giving corrupt benefit to Commonwealth public official contrary to s 142.1(1) of Commonwealth Criminal Code — state offences — original sentence imposed 3 years’ imprisonment with 2 year non-parole period for Commonwealth offence — total effective sentence imposed 9 years’ and 6 months imprisonment with 7 year non-parole period — commencement of federal sentence — s 16E — where offender received full credit for presentence custody it is within sentencing judge’s discretion to structure sentences by commencing sentence for Commonwealth offence before commencement of sentences for State offences — if sentences imposed in reverse order sentence for Commonwealth offence would be subsumed within sentences for State offences — objective seriousness — Commonwealth offence serious in context of offender’s involvement in drug supply — committed Commonwealth offence on understanding that would be assisting those involved in serious criminal activity — connection with anticipated serious criminal offending increased objective seriousness of offender’s conduct — deterrence — s 16A(2)(j)—(ja) — general deterrence is a major factor on sentence for those who seek to corrupt a police officer — necessary for sentence for Commonwealth offence to involve level of denunciation and specific and general deterrence — not demonstrated that this was crushing sentence — leave to appeal granted — appeal dismissed