Here i found this. hope it helps

In Arizona, no minor, under the age of 14 can be employed in any occupation at any time during school hours, nor shall any child under 16 be employed in underground mines, or in any occupation injurious to health or morals or hazardous to life or limb, nor for more than 8 hours in one day.


23-233. Permissible Hours of Labor for Persons Under the Age of Sixteen

In Arizona, the restrictions on employment pertaining to minors aged 16 and under are:
• they may work no more than 40 hours in one week when school is not in session or the person is not enrolled in any session
• they may work no more than 18 hours per week when school is in session
• they may not work more than 8 hours per day when school is not in session or the person is not enrolled
• they may not work more than 3 hours in one day when school is in session

Furthermore, no minor under 16:
• shall be employed at night (9:30 p.m. to 6:00 a.m. when school is in session, or 11:00 p.m. to 6:00 a.m. on a day preceding a day when there is no school)
• shall work in solicitation sales or deliveries on a door to door basis between 7:00 p.m. and 9:30 p.m. when school is in session, or 7:00 p.m. and 11:30 p.m. on days preceding a non-school day