Information for youth ages 14-17 for working papers, safety and health on the job, and filling out job applications. Under New York State law, generally you must be at least eighteen (18) years of age to enter into a contract, unless a parent or legal guardian signs as well.Law Minor Requirements: 5 courses, 19-20 credits. Core Requirements (3 courses, 12 credits). This rule also applies to minors. Offer and acceptance: both parties must clearly state what their offer is. Generally, because someone under 18 years of age is considered to lack legal capacity to enter into a contract, such a contract is void,. If you have issues with wages, compensation, overtime, child worker laws, etc. Call the New York State Department of Labor at 516-794-8195. If you are aged 14-17 you will need an employment certificate, also called working papers, in order to hold a job in New York State.