22 Tex. Admin. Code § 1.217
If, pursuant to Section 1.211, Section 1.212, or Section 1.214, an Architect must prepare or supervise and control the preparation of the architectural plans and specifications for a new building or the alteration of or an addition to an existing building, construction observation for the project shall be conducted by an Architect or by a person working under the Supervision and Control of an Architect. For purposes of this Subchapter, "construction observation" means the administration of the portion of the construction contract described and documented in the architectural plans and specifications, including the following:
(3) visiting the construction site at intervals appropriate to the stage of construction to:
Source Note:The provisions of this §1.217 adopted to be effective July 5, 2004, 29 TexReg 6282.