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 译者黎川,毕业于世界顶级翻译学院,擅长翻译各种与专利与技术诉讼相关的法律文件。