one subject ruleglossary / ONE-SUBJECT RULE one-subject rule. The principle that a statute should embrace only one topic, which should be stated in its title. — Also termed single-subject rule.[Cases: Statutes 107. C.J.S. Statutes § 208.] 词条贡献者 双语律师Jenna,国际知名法学院环境法专业,擅长翻译各类与环境、社会及管治 (ESG)相关的法律文件。