43 Tex. Admin. Code § 217.25
A vehicle brought to Texas from out-of-state must be registered within 30 days of the date on which the owner establishes residence or secures gainful employment, except as provided by Transportation Code, §502.090. Accompanying a completed application, an applicant must provide:
Source Note:The provisions of this §217.25 adopted to be effective March 12, 2015, 40 TexReg 1096.