Ariz. Rev. Stat. § 42-5043
A. A marketplace facilitator is not liable for failing to pay the correct amount of transaction privilege tax for a marketplace seller's sales through the marketplace facilitator's marketplace to the extent that the marketplace facilitator demonstrates any of the following to the satisfaction of the department:
B. The liability relief provided in subsection A, paragraph 2 of this section may not exceed the following:
C. A remote seller is not liable for failing to pay the correct amount of transaction privilege tax if failure to pay the correct amount of tax was due to an error other than an error in sourcing the sale under section 42-5040. The liability relief provided in this subsection may not exceed the following:
H. For the purposes of this section, "affiliated person" means a person that, with respect to another person, either: