Youths under the age of sixteen (16) can not be employed in solicitation sales or door-to-door solicitation after p. In Arizona, there is no requirement for special forms or written parental consent for minors under 18 to be employed.Children under 14 may not be employed in any capacity. Children in Arizona can begin working at age 16 while school is in session. When school is out, children as young as 14 can work in certain positions. Children who are 14 and 15 years old are allowed to work in a range of jobs in Arizona but there are limits on the number of hours they can work. However, employers of minors under age 18 must obtain and keep on file proof of the minor's age. Minors who are 16 or 17 years old can generally work in any job unless it's specifically prohibited as a. No one under 16 can work more than 8 hours per day on a non-school day. During the school year, federal law states that minors under 16 cannot work after 7 p.m.