imputation of paymentglossary / IMPUTATION OF PAYMENT imputation of payment. Civil law. The act of applying or directing payment to principal or interest. La. Civ. Code arts. 1864, 1866. 词条贡献者 译者大智,毕业于一所旨在培养高级翻译专业人才的翻译院校,擅长翻译各种与环境保护相关的法律文件。