Tex. Gov't Code § 443.0048

The board shall keep a file about each written complaint filed with the board that the board has authority to resolve. The board shall provide to the person filing the complaint and the persons or entities complained about the board's policies and procedures pertaining to complaint investigation and resolution. The board, at least quarterly and until final disposition of the complaint, shall notify the person filing the complaint and the persons or entities complained about of the status of the complaint.