California Code of Civil Procedure Section 748

CA Civ Pro Code § 748 (2017)  

In actions respecting mining claims, proof must be admitted of the customs, usages, or regulations established and in force at the bar or diggings embracing such claim; and such customs, usages, or regulations, when not in conflict with the laws of this State, must govern the decision of the action.

(Enacted 1872.)

Last modified: October 25, 2018