Ariz. Rev. Stat. § 32-2819
B. The department shall adopt rules to implement this section. The rules shall include the following:
C. Pursuant to rules adopted by the department, a radiologist assistant may do the following under the direct supervision of a radiologist:
G. A person shall not do any of the following without a certificate issued pursuant to this section:
H. Subsection G of this section does not apply to either of the following: