MINORS AGES 16, 17 and Older. Minors ages 16 and older are exempt from the hour and scheduling restrictions.Minors 16 and 17 years of age. 16-year-old children cannot work more than 10 hours consecutive or more than 10 hours in a 24 hours period. Almost all minors under the age of 18 are subject to California's child labor protections. In South Carolina, the law sets a clear boundary: generally, no employment is authorized for minors under the age of 14. JJ Keller offers federal, state, local, and wage order posters for all 50 states, the District of Columbia, and Puerto Rico. Apply to Team Member, Crew Member, Cashier and more! Minors under 14 years old are generally prohibited from working. The US Naval Sea Cadet Corps (Sea Cadets) is the Navy's youth development program.