Texas Parks and Wildlife Code - PARKS & WILD § 12.114. Driver's License or Personal Identification Certificate Required

(a) A person who is 17 years of age or older and who has a license or permit issued under this code or who is engaging in an activity that requires a license or permit shall have a driver's license or personal identification certificate in the person's immediate possession.

(b) If the person is a resident as defined by Subdivision (1) of Section 42.001 of this code, “driver's license” and “personal identification certificate” have the meanings assigned by Chapter 521, Transportation Code.

(c) If the person is a nonresident as defined by Section 42.001, “driver's license” and “personal identification certificate” mean those documents that are similar to those defined in Subsection (b) and that are issued by the agency in the state or country of which the person is a resident that is authorized to issue driver's licenses or personal identification certificates.