Ariz. Rev. Stat. § 10-1003
A. The following apply to amendments to the articles of incorporation:
2. For the amendment to be adopted both:
5. Unless chapters 1 through 17 of this title, the articles of incorporation or the board of directors acting pursuant to paragraph 3 of this subsection requires a greater vote or a vote by voting groups, the amendment to be adopted shall be approved by both:
B. The following apply to amendments to the articles of incorporation:
2. For the amendment to be adopted, both:
3. Unless chapters 1 through 17 of this title or the articles of incorporation require a greater vote or a vote by voting groups, the amendment to be adopted shall be approved by both: