Cal. Fish & Game Code § 7860

(a) Except as provided in subdivision (f) or (g), no person who is 18 years of age or more and less than 70 years of age, on or before April 1 of the current license year, shall take salmon for commercial purposes or be on board a vessel on which salmon are taken for commercial purposes while salmon are being taken or transported unless that person has a commercial fishing salmon stamp issued pursuant to this section affixed to his or her commercial fishing license.
(b) Except as provided in subdivision (f) or (g), the operator of a vessel on which salmon are taken for commercial purposes shall not permit a person on board that vessel while salmon are being taken or transported unless that person was less than 18 years of age or 70 years of age or more on April 1 of the current license year or that person has a commercial fishing salmon stamp affixed to the person’s commercial fishing license.
(c) Except as provided in this subdivision, the department shall issue a commercial fishing salmon stamp upon application therefor and payment of the fee of eighty-five dollars ($85). For any commercial salmon season preceded by a commercial salmon season in which the commercial troll salmon landings in this state equal or exceed 3,000,000 pounds dressed weight, as determined by the department, the fee shall be increased by twelve dollars and fifty cents ($12.50) for every 250,000 pounds over 3,000,000 pounds of dressed weight landings, except that the total fees as adjusted shall not exceed two hundred sixty dollars ($260).
(d) A commercial fishing salmon stamp is valid during the commercial salmon season of the year in which it was issued.
(e) Upon application and payment of an additional fee equal to that prescribed in subdivision (c), the department may issue an additional commercial fishing salmon stamp for a crewmember to the owner or operator of a vessel who holds a commercial fishing salmon stamp.
(f) Notwithstanding subdivision (a), one crewmember of a vessel for which a commercial fishing salmon stamp is issued pursuant to subdivision (e) may be aboard that vessel and take salmon for commercial purposes as a crewmember on that vessel without obtaining a commercial fishing salmon stamp under the following conditions:
1. (1) The crewmember is designated by name and commercial fishing license number on a form furnished by the department before salmon are taken on the vessel when that crewmember is aboard.
2. (2) The crewmember has a valid commercial fishing license issued under Section 7850.
3. (3) The commercial fishing salmon stamp for the crewmember is affixed to the form prescribed in paragraph (1) on which the vessel registration number of the vessel is entered and on which the crewmember who is exempted by this subdivision is designated by the last entered name and commercial fishing license number.
(g) Persons who are exempt from the license requirements, or who are not required to be licensed, pursuant to Section 7850, are exempt from the requirements of this section.