Connecticut General Statutes Title 29. Public Safety and State Police § 29-322. Inspections by local fire marshal of cargo tank motor vehicle used to transport flammable or combustible liquids, liquefied petroleum gas, liquefied natural gas or hazardous chemicals

(a) No person shall operate, and no owner shall permit the operation of, a cargo tank motor vehicle, as defined in the Code of Federal Regulations Title 49, Section 171.8, as amended from time to time, used for the transportation of flammable or combustible liquids, liquefied petroleum gas, liquefied natural gas or hazardous chemicals until such vehicle has been inspected if such inspection is required pursuant to subsection (b) of this section.

(b) Any city, town or borough may, by ordinance, require the local fire marshal to inspect once each year, and more often if necessary, all cargo tank motor vehicles registered with the Commissioner of Motor Vehicles and located in such fire marshal's jurisdiction and used for the storage or transportation of flammable or combustible liquids, liquefied petroleum gas, liquefied natural gas or hazardous chemicals. No city, town or borough, other than the one in which the vehicle is registered by the Commissioner of Motor Vehicles, shall require any further inspection or cause any further inspection to be made, or exact any license fees for such inspection, or exact any license fees for the transportation of flammable or combustible liquids, liquefied petroleum gas, liquefied natural gas or hazardous chemicals into or out of such city, town or borough.