“適法習慣”及其司法功能

Lawful-custom and Its Judicial Function

“適法習慣”是法官在司法過程中運用法定的識別標準對民間習慣的適法性予以檢驗和認定的產物，在現代性語境中，對習慣的司法識別實質上是以現代法精神對傳統民間習慣予以有目的的重構的行為。“適法習慣”因此就具有了建構性、適法性、過渡性和工具性的特征，並在司法過程中發揮著證明法律事實、充當法律推理大前提、補充實在法乃至變革實在法的功能。“適法習慣”概念的提出，為進一步探索民間習慣的司法化提供了現實化進路，具有相當的法律方法論意蘊。

awful-custom is an outcome of judicial process during which the judges investigate and identify whether the folk norms have lawful utility in virtue of legal standard.Under the context of modernity，the judicial identification of folk norms can be regarded as a purposive action to reconstruct them in accord with modern law spirit.The lawfulcustom thus acquires some distinctive characteristics such as constructiveness，lawfulness，transitivity and instrumentality.It perform some important judicial function to testify legal fact，serve as major premise of legal reasoning，and supplement positive law or even to reform it.In this paper，the suggestion of Lawfulcustom concept has provided a practical approach to advance the study of judicialization of folk norms，which adds some implication of legal method to it.