closed transactionglossary / closed transaction Tax. A transaction in which an amount realized on a sale or exchange can be established for the purpose of stating a gain or loss. [Cases: Internal Revenue 3393.] 词条贡献者 译员Dennis,毕业于英国顶尖的高级翻译学院,专注翻译各种与高管退休金和员工福利有关的法律文件。