California Code, Fish and Game Code - FGC § 12002.2

(a) Notwithstanding any other provision of law, a violation of Section 7145 or of a regulation requiring a license to be displayed is an infraction, punishable by a fine of not less than one hundred dollars ($100) or more than one thousand dollars ($1,000) for a first offense.  If a person is convicted of a violation of Section 7145 or of a regulation requiring a license to be displayed within five years of a separate offense resulting in a conviction of a violation of Section 7145 or of a regulation requiring a license to be displayed, that person shall be punished by a fine of not less than two hundred fifty dollars ($250) or more than one thousand dollars ($1,000).

(b) If a person is convicted of a violation of Section 7145 or of a regulation requiring a license to be displayed and produces in court a license issued pursuant to Section 7145 and valid at the time of the person's arrest, and if the taking was otherwise lawful with respect to season, limit, time, and area, the court may reduce the fine imposed for the violation of Section 7145 or of the regulation requiring a license to be displayed to twenty-five dollars ($25).

(c) If a person is charged with a violation of Section 7145 or of a regulation requiring a license to be displayed, and produces in court a lifetime sport fishing license issued in his or her name pursuant to Section 7149.2, and if the taking was otherwise lawful, in terms of season, limit, time, and area, the court may dismiss the charge.

(d) A person shall not be charged or convicted for both a violation of Section 7145 and a regulation requiring a license to be displayed for the same act.