California Code of Civil Procedure Section 1899

CA Civ Pro Code § 1899 (2017)  

Unwritten law is the law not promulgated and recorded, as mentioned in Section 1896, but which is, nevertheless, observed and administered in the Courts of the country. It has no certain repository, but is collected from the reports of the decisions of the Courts, and the treatises of learned men.

(Enacted 1872.)

Last modified: October 25, 2018