Texas Transportation Code - TRANSP § 521.029. Operation of Motor Vehicle by New State Residents

(a) A person who enters this state as a new resident may operate a motor vehicle in this state for no more than 90 days after the date on which the person enters this state if the person:

(b) If a person subject to this section is prosecuted for operating a motor vehicle without a driver's license, the prosecution alleges that the person has resided in this state for more than 90 days, and the person claims to have been covered by Subsection (a), the person must prove by the preponderance of the evidence that the person has not resided in this state for more than 90 days.