In this subchapter:
(1) “Debt obligation” means a public security, as defined by Section 1201.002, secured by and payable from ad valorem taxes. The term does not include public securities that are designated as self-supporting by the political subdivision issuing the securities.
(2) “Political subdivision” means a municipality, county, school district, or special taxing district.

In this subchapter:
(1) “Debt obligation” means a public security, as defined by Section 1201.002, secured by and payable from ad valorem taxes. The term does not include public securities that are designated as self-supporting by the political subdivision issuing the securities.
(2) “Political subdivision” means a municipality, county, school district, or special taxing district.