When voiding contracts, minors must return any received items in reasonable condition. This reflects basic fairness principles in contract law.What must be included in a petition for removal of disabilities of minority? It is illegal to employ a child under 14 except under specific circumstances. If a minor signs a contract with an adult, for example, the adult cannot hold the minor liable for breach of contract. Texas' child labor laws apply to all children under the age of 18 working in Texas, whether or not they reside in the state.