22 Tex. Admin. Code § 1.212
(a) An architectural plan or specification for a new building constructed and owned by a public entity where the total projected building construction costs at the commencement of construction exceed $100,000 shall be prepared by an Architect or under the Supervision and Control of an Architect if the building is intended for any of the following uses:
(b) An architectural plan or specification for an alteration or addition to an existing building owned by a public entity shall be prepared by an Architect or under the Supervision and Control of an Architect if:
Source Note:The provisions of this §1.212 adopted to be effective March 16, 1990, 15 TexReg 1151; amended to be effective August 3, 2000, 25 TexReg 7161; amended to be effective July 5, 2004, 29 TexReg 6280.