22 Tex. Admin. Code § 137.71
Pursuant to §1001.405(e), a business entity that is not registered with the board may not represent to the public by way of letters, signs, or symbols as a part of any sign, directory, listing, contract, document, pamphlet, stationery, advertisement, signature, or business name that it is engaged in the practice of engineering by using the terms:
Source Note:The provisions of this §137.71 adopted to be effective May 20, 2004, 29 TexReg 4878; amended to be effective December 21, 2008, 33 TexReg 10177.