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A contract is a promise or set of promises that are legally enforceable and, if violated, allow the injured party access to legal remedies. Contract law recognizes and governs the rights and duties arising from agreements. In the Anglo-American common law, formation of a contract generally requires an offer, acceptance, consideration, and a mutual intent to be bound. Each party must have capacity to enter the contract. Although most oral contracts are binding, some types of contracts may require formalities such as being in the form of a signed, dated written agreement in order for a party to be bound to its terms. 

In the civil law tradition, contract law is a branch of the law of obligations.

Formation