Ariz. Rev. Stat. § 3-1312
B. The animal cargo space of vehicles used for the transportation of equines to slaughtering establishments must:
C. Before the transportation of any equine to a slaughtering establishment, the owner or shipper must:
2. Load each equine on the vehicle so that:
D. During transit to the slaughtering establishment, the owner or shipper must:
G. For the purposes of this section: