A.R.S. § 1-105: Effect of repeal on prior offenses and punishments

A. No fine, forfeiture or penalty incurred under laws existing prior to the time these Revised Statutes take effect shall be affected by repeal of such existing laws, but the recovery of such fines and forfeitures and the enforcement of such penalties shall be effected as if the law repealed had still remained in effect.

B. When an offense is committed prior to the time these Revised Statutes take effect, the offender shall be punished under the law in effect when the offense was committed.