moiety actglossary / MOIETY ACT moiety act. Criminal law. A law providing that a portion (such as half) of an imposed fine will inure to the benefit of the informant. [Cases: Fines 21.] 词条贡献者 资深译员Sheldon,毕业于亚洲顶尖的高级翻译学院,擅长翻译有关零售和消费品领域的法律文件。