13 Tex. Admin. Code § 1.73
A public library shall be established to render general library services as a department of a city or county government by charter, resolution, or ordinance; or by contract as provided for in the Government Code, Chapter 791; or as a library district established under the provisions of Local Government Code, Chapter 326, Library Districts; or as a non profit corporation chartered by the Office of the Secretary of State for the purposes of providing free public library services, and having a current contract with a city, county, school district, or library district to provide free public library services for the city, county, school district, or library district.
Source Note:The provisions of this §1.73 adopted to be effective September 1, 1977, 2 TexReg 1925; amended to be effective April 30, 1985, 10 TexReg 1228; amended to be effective March 10, 1999, 24 TexReg 1612.