letter of credenceglossary / LETTER OF CREDENCE letter of credence. Int’l law. A document that accredits a diplomat to the government of the country to which he or she is sent. — Abbr. LC; L/C. — Also termed letters of credence. 词条贡献者 双语律师郭敏,国际知名商学院金融专业,擅长翻译各类与金融衍生品与结构化产品相关的法律文件。