Fish and Game Code § 3681

(a) In Districts 8 and 9, it is unlawful to take a duck or goose below the incoming or outgoing tidewater’s edge, or from any blind, boat, floating device, island, islet, or exposed tidal flat.

(b) Subdivision (a) does not apply on Saturdays, Sundays, Wednesdays, holidays, and the opening and closing days during the prescribed open season.

(c) Notwithstanding subdivision (a), the use of boats is permitted to retrieve crippled or dead birds.