California Code, Fish and Game Code - FGC § 9001

(a) Finfish, mollusks, or crustaceans shall not be taken by a person with traps for commercial purposes in ocean waters except under a valid general trap permit issued to that person that has not been suspended or revoked.

(b) Any person who operates or assists in operating any trap to take finfish, mollusks, or crustaceans, other than lobster or Dungeness crabs, as defined in Section 8275, or who possesses or transports finfish, mollusks, or crustaceans on any boat, barge, or vessel when any trap is aboard, shall have a general trap permit issued to that person that has not been revoked or suspended while engaged in the activity.

(c) The fee for the general trap permit shall be thirty-five dollars ($35).

(d) This section does not apply to the taking of lobster under Section 9010 or to the taking of Dungeness crab under Section 9011.