Ariz. Rev. Stat. § 28-5644
A. A terminal operator is jointly and severally liable for the motor vehicle fuel or use fuel tax imposed pursuant to this article or the aviation fuel tax imposed pursuant to section 28-8344 if both of the following apply:
B. The terminal operator is not liable for the motor vehicle fuel or use fuel tax imposed pursuant to this article or the aviation fuel tax imposed pursuant to section 28-8344 if at the time of removal both of the following apply: