22 Tex. Admin. Code § 465.14
Each licensee/certificand must display the original license/certificate or an official duplicate issued by the board and the current renewal permit in a conspicuous place in the principal office where the licensee/certificand practices. Any reproduction displayed in lieu of those cited in this section is unauthorized by the board.
Source Note:The provisions of this §465.14 adopted to be effective January 1, 1976; amended to be effective February 8, 1982, 7 TexReg 352; amended to be effective October 15, 1993, 18 TexReg 6742.