Each transport container unit required to be registered with AFS shall be tested in accordance with RSA 180.407, relating to requirements for test and inspection of specification cargo tanks. The tests shall be conducted by any individual authorized by the United States Department of Transportation through a DOT "CT" number to conduct such tests. This section shall not apply to the initial transfer of unregistered units that are tested and transferred from another state. If the test results show any unsafe condition, or if the transport unit does not comply with 49 CFR Parts 100 - 185, the transport container unit shall be immediately removed from LP-gas service and shall not be returned to LP-gas service until all necessary repairs have been made and AFS authorizes in writing its return to service.
16 Tex. Admin. Code § 9.208