16 and 17 year-olds may not work more than 48 hours a week. Information for youth ages 14-17 for working papers, safety and health on the job, and filling out job applications.Child labor laws no longer apply when minors reach the age of 18. All minors must obtain an employment certificate (also called "working papers"). Apply to Crew Member, Team Member, Brand Ambassador and more! According to New Jersey law, all youth workers – under the age of 18 – who accept a job offer need Working Papers to be employed in the state. Q. My child is over 18 years old. Do I have to continue paying child support? 16 - Basic minimum age for employment. Filing instructions are provided with each announcement and state how and where to apply.