However, employers of minors under age 18 must obtain and keep on file proof of the minor's age. Child Labor Law regulates employment of workers under 16 years of age.The law protects children by: requiring employment certificates. All the specificities of each state's minor labor laws can be found in the table below. A.R.S. 23-233 restricts the hours that youths under the age of sixteen (16) can work. Work permits or employment certificates must be obtained from your local school for all minors 14 and 15 years of age before beginning work. Illinois Senate Bill 3646 ; 5, that any minor of 10 years of age or more shall be permitted to ; 6, work in a gainful occupation in connection with agriculture. The Act applies to minors ages 15 and younger. Illinois child labor laws set forth the rules and limitations regarding the days and time children under the age of 18 years old may work in Illinois. Numerous federal requirements govern drugfree workplace policies.