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 法律翻译舒婷,知名法学院保险学专业,专注翻译各类与保险与再保险诉讼有关的法律文件。