Child Labor Laws Poster Employers who hire minors 14-17 years of age are required to post the Florida Child Labor Law Poster. It is possible for some minors 16 and 17 years old to work during public school hours if they request a partial waiver and meet certain criteria.(2)(a) Minors 16 and 17 years of age may not be employed, permitted, or suffered to work: 1. Minors age 16-17 years of age: Are restricted from working between the hours of 11 p.m. 16 - Basic minimum age for employment. 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. How old do you have to be to work in Florida? Minors under the age of 18 are prohibited from operating these machines. You are only allowed up to 30 hours per week. There are more restrictions too.