Texas Administrative Code
Title 43 - TRANSPORTATION
Part 1 - TEXAS DEPARTMENT OF TRANSPORTATION
Chapter 21 - RIGHT OF WAY
Subchapter I - REGULATION OF SIGNS ALONG INTERSTATE AND PRIMARY HIGHWAYS
Division 1 - SIGNS
Section 21.143 - License Required

(a) Except as provided by this subchapter, a person may not obtain a permit for a commercial sign under this subchapter unless the person holds a valid license issued under § 21.145 of this subchapter (relating to License Issuance; Amendment) or under § 21.450 of this chapter (relating to License Issuance) applicable to the county in which the sign is to be erected or maintained.

(b) A license is valid for one year.

(c) Each license holder shall notify the department not later than the 30th day after the date of a change in the mailing address, telephone number, or email address of the license holder.