1 Tex. Admin. Code § 12.23
(a) Before applying for the commission to issue a subpoena under §571.137(a-1) of the Government Code, commission staff must send to the person from whom records are sought a written request for the production or inspection of documents or other tangible things that:
(b) The person from whom records are sought must produce or allow the inspection of documents or other tangible things within the person's possession, custody or control within the time provided in the request, or submit in writing, as appropriate:
Source Note:The provisions of this §12.23 adopted to be effective October 27, 2024, 49 TexReg 8574; amended to be effective July 3, 2025, 50 TexReg 3733.