California Code, Financial Code - FIN § 1637

Upon the making of a sale of any securities, an officer of the bank shall execute and attach to the securities so sold an affidavit reciting facts showing that such securities were sold pursuant to this article and that the provisions of this article governing such sale have been complied with. The affidavit shall be and constitute sufficient authority to any corporation whose stock is so sold or to any registrar or transfer agent of such corporation to cancel the certificates of stock so sold and to issue a new certificate or certificates representing such stock to the purchaser thereof, and to any registrar, trustee, or transfer agent of registered bonds or other securities, to register any such bonds or other securities in the name of the purchaser thereof.