When a dispute arises between the parties to a contract, it’s up to a court to decide whether the contract is valid, void, or voidable. The main difference between void and voidable contracts is that a void contract is invalid from the beginning, while a voidable contract is initially valid but may become void later at the option of one of the parties. Voidable contracts are valid agreements, but one or both of the parties to the contract can void the contract at any time. As a result, you may not be able to enforce a voidable contract: Contracts entered into when one party was a minor. (The law often treats minors as though they do not have the capacity to enter a contract. For example, in most states, a minor cannot void a contract for necessities like food, clothing, and lodging. Also, a minor can void a contract for lack of capacity only while still under the age of majority. In most states, if a minor turns 18 and hasn't done anything to void the contract, then the contract can no longer be voided.