16 and 17: May work the same hours as those who are 18 years old. If the employer has a restaurant designation and is licensed to sell alcohol, minors 17 years of age must also have an approved work permit.In the summertime, when school is not in session, 14 and 15yearolds can work up to 8 hours a day and up to 40 hours per week. On the other hand, 16- and 17-year-olds may only work for unlimited hours in non-hazardous occupations. But, in fact, the licencing laws do not impose the under 17 rule. This policy is set forth in the Utah Employment of Minors Act. Minors ages 16 and 17 may not engage in any occupation deemed hazardous, as defined under the 17 Hazardous Occupations Orders of the Fair Labor Standards Act. Have a parent or legal guardian rent it for you.