Ariz. Rev. Stat. § 28-3223
A. In addition to the requirements applicable to all driver license applicants, an original applicant for a class A, B or C license is subject to the following requirements:
3. The applicant shall take additional knowledge examinations to demonstrate understanding of the following:
4. In addition to the other requirements of this section, an applicant for a class A driver license shall demonstrate a knowledge and understanding of:
D. The department may administer an examination to a renewal applicant for a class A, B or C driver license. This examination on renewal shall include the following: