37 Tex. Admin. Code § 16.31
This application is required for all original applicants for a Texas driver license, including applicants for a commercial driver's license (CDL). Persons with a valid Texas driver license will not be required to complete a new DL-14A when applying for a CDL.
Source Note:The provisions of this §16.31 adopted to be effective July 16, 1990, 15 TexReg 3807.