Ariz. Rev. Stat. § 10-2220
A. A professional corporation may issue voting shares, fractional voting shares and rights or options to purchase voting shares only to:
5. An employee stock ownership plan as defined in section 4975(e)(7) of the internal revenue code of 1986, as amended, if both of the following apply:
B. The following are not violations of subsection A, paragraph 1 of this section: