A breach of contract committed prior to the time of required performance WordNet 3.0 & Open English WordNet

Anticipatory repudiation or anticipatory breach is a concept in the law of contracts which describes words or conduct by a contracting party that evinces an intention not to perform or not to be bound by provisions of the agreement that require performance in the future. Wikipedia

Term in the law of contracts that describes a declaration by one party to a contract that they do not intend to live up to their obligations under the contract Wikipedia Disambiguation

A breach of contract where one party indicates prior to the time of performance that it will not perform when performance is due. Wiktionary

A declaration by the promising party to a contract that he/she does not intend to live up to the contractual obligations. Wiktionary