California Code, Fish and Game Code - FGC § 4150

(a) A mammal occurring naturally in California that is not a game mammal, fully protected mammal, or fur-bearing mammal is a nongame mammal. A nongame mammal may not be taken or possessed except as provided in this code or in accordance with regulations adopted by the commission.

(b) Notwithstanding any other provision of this code or regulations adopted pursuant to this code, it is unlawful for any person to trap any nongame mammal for purposes of recreation or commerce in fur. The raw fur of a nongame mammal otherwise lawfully taken pursuant to this code or regulations adopted pursuant to this code shall not be sold. For purposes of this subdivision, “raw fur” has the same meaning as defined in Section 4005.

(c) This section shall remain in effect only until July 1, 2024, and as of that date is repealed.