suretyship by operation of lawglossary / suretyship by operation of law A suretyship that the law creates when a third party promises a debtor to assume and pay the debt that the debtor owes to a creditor. [Cases: Principal and Surety 14. C.J.S. Principal and Surety § 35.] 词条贡献者 译员Shifang,毕业于国内一流的高级翻译学院,专注翻译各种与员工福利与高管薪酬有关的法律文件。