commutation of tithes actglossary / COMMUTATION OF TITHES ACT Commutation of Tithes Act. Hist. An act of Parliament that permitted tithes to be levied and collected in the form of cash rents rather than labor and goods in kind. 词条贡献者 双语律师Andrew,欧洲名校国际税法专业,擅长翻译各类与国际税法相关的法律文件。