Children ages 14 and 15 cannot work before 7 am, after 9 pm, more than 40 hours a week or more than eight hours a day. 16- and 17-year old high school students may not work after 11 pm on evenings before school days or before 5 am on school days.Minors under 16 cannot work more than 40 hours a week or more than 8 hours per 24 hour period. Agricultural workers are exempt from this rule. Age certificates are not required. By state law, 16 and 17yearold high school students may not work after 11 pm on evenings before school days or before 5 am on school days. A minor under the age of 16 for more than 8 hours a day or 40 hours a week. Teens ages 14 and 15 cannot: work before 7 am or after 9 pm; work more than eight hours in a 24-hour period; or work more than 40 hours a week. The FLSA states that minors under 16 may not work more than eight hours per day and 40 hours per week when school is not in session. No employer shall be permitted to work a minor under the age of 16 more than 40 hours a week or more than eight hours in any 24-hour period.