PC 470: Acts Constituting Forgery; Proof of Forged Bill or Note:
(a) Every person who, with the intent to defraud, knowing that he or she has no authority to do so, signs the name of another person or of a fictitious person to any of the items listed in sub section (d) is guilty of forgery.
(b) Every person who, with the intent to defraud, counterfeits or forges the seal or handwriting of another is guilty of forgery.
(c) Every person who, with the intent to defraud, alters, corrupts, or falsifies any record of any will, codicil, conveyance, or other instrument, the record of which is by law evidence, or any judgment of a court or the return of any officer to any process of any court, is guilty of forgery.
(d) Every person who, with the intent to defraud falsely makes, alters, forges or counterfeits, utters, publishes, passes or attempts or offers to pass, as true and genuine, any of the following items, knowing the same to be false, altered, forged, or counterfeited, is guilty of forgery: any check, bond, bank bill, or note, cashiers check, traveler's check, money order, post note, draft, any controller's warrant for the payment of money at the treasury, county order or warrant, or request for the payment of money, receipt for money or goods, bill of exchange, promissory note, order, or any assignment of any bond, writing obligatory, or other contract for money or other property, contract, due bill for payment of money or property, receipt of money or property, passage ticket, lottery ticket or share purporting to be issued under the California State Lottery Act of 1984, trading stamp, power of attorney, certificate of ownership or other document evidencing ownership of a vehicle or undocumented vessel, or any certificate of any share, right or interest in the stock of any corporation or association, or the delivery of goods or chattels of any kind, or for the delivery of any instrument of writing, or acquaintance, release or discharge of any debt, account, surety, action, demand, or any other thing, real or personal, or any transfer or assurance of money, certificate of shares of stock goods, chattels, or other property whatever, or any letter of attorney, or other power to receive money, or to receive or transfer certificates of shares of stock or annuities, or to let, lease, dispose of, alienate, or convey any goods, chattels, lands, or tenements, or other estate, real or personal; or any matter described in subdivision (b).
(e) Upon trial for forging any bill or one purporting to be the bill or note of an incorporated company or bank, or for passing, or attempting to pass, or having in possession with intent to pass, any forged bill or note,, it is not necessary to prove the incorporation, but it may be proved by general reputation; and persons of skill are competent witnesses to prove that the bill or note is forged or counterfeited.