Examples of voidable contracts under Arizona law are contracts which one of the parties was forced or tricked to enter into. The offer outlines the terms of a contract with a statement of what you and the other party agree to.For example, consideration is adequate if it was agreed upon between the parties, and a promise or agreement to perform an act is adequate legal consideration. Definition of a Contract. A contract is created at law when there is a mutual exchange of promises upon reasonably understandable terms and conditions. Yes, oral contracts are legal and enforceable in Arizona. According to Arizona law, three elements must be present in order for courts to view a contract as legally binding and enforceable. Does the State of AZ still have contract law where an individual can recind a contract within 3 days of signing it. This is often seen when a seller refuses to complete a sale of property, and the Court orders that they do so. A copy of the written contract shall be given to the buyer at the time he signs the contract.