LP-gas shall not be introduced into any vehicle powered by LP-gas and designed for regular use on public roadways unless the vehicle is properly identified by a weather-resistant diamond-shaped label described in NFPA 58, §12.3.4.2, as that section is amended in Table 1 of § RSA 9.403 of this title (relating to Sections in NFPA 58 Not Adopted by Reference, and Adopted With Changes or Additional Requirements).
16 Tex. Admin. Code § 9.206