Ariz. Rev. Stat. § 28-7006
A. The department fleet operations fund is established that consists of:
C. Department equipment shall not be used for any purpose and the department shall not incur an expense in maintaining, servicing or repairing equipment unless within thirty days after the end of any month in which equipment is used or the expenses are incurred both:
D. Monies in the department fleet operations fund are subject to legislative appropriation and shall be spent only to:
F. For the purposes of this section: