Texas Natural Resources Code - NAT RES § 113.131. Transport Trucks and Trailers

(a) Each transport truck, trailer, or other motor vehicle equipped with an LPG cargo container and each truck used principally for transporting LPG in portable containers shall be registered with the commission.

(b) A licensee who has purchased, leased, or obtained other rights to use any unit described in Subsection (a) of this section shall register that unit in the name or names under which the licensee conducts business before the transportation of LPG by means of that unit.

(c) An ultimate consumer of LPG who has purchased, leased, or obtained other rights to use any unit described in Subsection (a) of this section shall register that unit in the person's name before the transportation of LPG by means of that unit on public roads or highways.

(d) The commission, by rule, shall establish reasonable, nonrefundable annual registration and transfer fees for each LP-gas cargo trailer, semitrailer, bobtail, and cylinder-delivery unit registered or transferred as follows:

(e) Any unit registered pursuant to this section shall be covered by motor vehicle bodily injury and property damage liability insurance as prescribed by Section 113.097 of this code.

(f) Any delivery or transport driver shall meet the applicable examination and seminar requirements set out in Section 113.087 of this code.