California Code, Penal Code - PEN § 337u

(a) To alter or misrepresent the outcome of a gambling game or other event on which wagers lawfully have been made after the outcome is determined, but before it is revealed to the players.

(b) To place, increase, or decrease a wager or to determine the course of play after acquiring knowledge, not available to all players, of the outcome of the gambling game or any event that affects the outcome of the gambling game or which is the subject of the wager or to aid anyone in acquiring that knowledge for the purpose of placing, increasing, or decreasing a wager or determining the course of play contingent upon that event or outcome.

(c) To claim, collect, or take, or attempt to claim, collect, or take, money or anything of value in or from a gambling game, with intent to defraud, without having made a wager contingent on the game, or to claim, collect, or take an amount greater than the amount actually won.

(d) Knowingly to entice or induce another to go to any place where a gambling game is being conducted or operated in violation of this section, or Section 337v, 337w, 337x, or 337y, with the intent that the other person play or participate in that gambling game.

(e) To place or increase a wager after acquiring knowledge of the outcome of the gambling game or other event which is the subject of the wager, including past-posting and pressing wagers.

(f) To reduce the amount wagered or cancel the wager after acquiring knowledge of the outcome of the gambling game or other event which is the subject of the bet, including pinching wagers.

(g) To manipulate, with the intent to cheat, any component of a gambling game device in a manner contrary to the designed and normal operational purpose for the component, including, but not limited to, varying the pull of the handle of a slot machine, with knowledge that the manipulation affects the outcome of the gambling game or with knowledge of any event that affects the outcome of the gambling game.