In this chapter:
(1) "Floating rate public security" means a public security or a portion of a public security that bears a rate of interest determined in accordance with a clearly stated formula, computation, or method, under which the net interest cost of the security or portion at any future date cannot be determined on the date of delivery of the security or portion.
(2) "Public agency" means:
(A) this state or a department, board, agency, district, municipal corporation, political subdivision, body politic and corporate, or instrumentality of this state; or
(B) a nonprofit corporation or not-for-profit entity that is an instrumentality of or is acting on behalf of an entity described by Paragraph (A).
(3) "Public security" means a bond, note, or other obligation that a public agency is authorized to issue.