In this chapter:
(1) "Authorized officer" means any official of this state, a political subdivision of this state, or a department, agency, or instrumentality of this state or of a political subdivision of this state whose signature is required or permitted to be placed on a public security, eligible contract, instrument of payment, or certificate of assessment.
(2) "Certificate of assessment" means a certificate or instrument evidencing a special assessment that is issued by an agency or political subdivision of this state.
(3) "Eligible contract" means a written evidence of agreement, including a contract, purchase order, and surety bond, and any related document, including an application, certificate, and approval, other than a public security or instrument of payment, that is executed, authenticated, certified, or endorsed for or on behalf of a home-rule municipality with a population of 200,000 or more.
(4) "Facsimile signature" means a reproduction of the manual signature of an authorized officer that is made by any method, including engraving, imprinting, lithographing, and stamping.
(5) "Instrument of payment" means a check, draft, warrant, or order for the payment, delivery, or transfer of money.
(6) "Public security" means an obligation for the payment of money, including a bond, note, and certificate of indebtedness, that is issued by this state, a political subdivision of this state, or a department, agency, or instrumentality of this state or of a political subdivision of this state.