As used in this chapter:
(1) “Public security” means a bond, note, certificate of indebtedness, or other obligation for the payment of money, issued by this state or by any of its departments, agencies, or other instrumentalities, or by any of its political subdivisions;
(2) “Instrument of payment” means a check, draft, warrant, or order for the payment, delivery, or transfer of funds;
(3) “Authorized officer” means any official of this state or any of its departments, agencies, or other instrumentalities, or any of its political subdivisions whose signature to a public security or instrument of payment is required or permitted;
(4) “Facsimile signature” means the reproduction of the manual signature of an authorized officer by saving electronically or by engraving, imprinting, stamping, or other means.