internal revenue codeglossary / INTERNAL REVENUE CODE Internal Revenue Code. Title 26 of the U.S. Code, containing all current federal tax laws. — Abbr. IRC. — Also termed tax law. 词条贡献者 译员Roger,毕业于欧洲一流的高级翻译学院,专注翻译各种与公共及基础设施融资有关的法律文件。