If you employ minors between the ages of 14 and 17, this section contains required documents, posters, breaks, and work hour limitations. The Florida child labor law does not prohibit minors from working alone or "closing" the store.A minor must be 14 years old to work. Minors aged sixteen and seventeen years old may only work eight hours in any one day and between am and pm, when there is school the next day. Florida law restricts child labor for minors 14 to 17 years of age and prohibits employment of children under 14, with some limited exceptions. Florida: May work up to 15 hours per week. Minors 16 and 17 years old may not work before a.m. Do minors need a work permit or working papers to work? You are only allowed up to 30 hours per week. There are more restrictions too.