Queensland Consolidated Acts(1) If a provision of this or another Act increases the sentence, or the maximum or minimum sentence, for an offence, the increase applies only to offences committed after the commencement of the provision.
(2) If a provision of this or another Act reduces the sentence, or the maximum or minimum sentence, for an offence, the reduction—
(a) extends to offences committed before the commencement of the provision; but
(b) does not affect any sentence imposed before the commencement.