causa promissionisglossary / CAUSA PROMISSIONIS causa promissionis (kaw-z[schwa] pr[schwa]-mish-ee-oh-nis).Eccles. law. The doctrine that an informal undertaking does not oblige if it lacks a good cause. 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。