Ariz. Rev. Stat. § 28-5612
A. A person who is seeking a refund and who is not licensed as a supplier, interstate user, restricted distributor or use fuel vendor shall:
2. Submit proof satisfactory to the director of the following:
3. Make an application in a form prescribed by the department that requests the following information:
C. The original invoice or a duplicate that is satisfactory to the director and that includes the following information shall accompany the application: