Only teens 16-17 years old can work overtime. All overtime rules apply for any hours worked over 40 hours in a week.To hire anyone under the age of 18 in Washington, there are specific laws and rules employers must follow. Compensation for minors in the state of Washington depends on the age of the minor. The minimum wage for 16– and 17-year-old workers is the same as for adults. Minors under 16 may be paid. Youth who are 16 or 17 years old may not work before a.m. Also, they may not work later than p.m. Employees who are 1617 years old can work six, fourhour days during a school week, with a maximum of 20 hours in the week. If they are 1617 years old, then normal minimum wage rules apply.