California Code, Family Code - FAM § 6454

(a) An individual may register a Canadian domestic violence protection order in this state.  To register the order, the individual must present a certified copy of the order to a court of this state to be entered into the California Restraining and Protective Order System established under Section 6380, pursuant to procedures set forth in Section 6404.

(b) A fee shall not be charged for the registration of a Canadian domestic violence protection order under this section.

(c) Registration in this state or filing under law of this state other than this part of a Canadian domestic violence protection order is not required for its enforcement under this part.