letter contractglossary / letter contract In federal contract law, a written contract with sufficient provisions to permit the contractor to begin performance. [Cases: Contracts 26. C.J.S. Contracts §§ 61–62, 64.] 词条贡献者 译者张文,国际知名商学院金融专业,擅长翻译各种与结构性融资及衍生品诉讼相关的法律文件。