California Code, Fish and Game Code - FGC § 8052

(a) Not less than 90 percent of the landing fee on herring taken for roe shall be expended for research and management activities to maintain and enhance the herring resources within the waters of this state.

(b) Not less than 90 percent of the landing fee on thresher shark or bonito (mako) shark shall be expended for the study required by, and for the costs of administering, Article 16 (commencing with Section 8561) of Chapter 2.