Kan. Stat. § 31-146
The rules and regulations promulgated by the state fire marshal for transporting liquid fuel shall require that the vehicles used in such transportation be inspected by qualified inspectors sufficiently often to insure operation with maximum safety, and the operator of any such vehicle which is subject to the jurisdiction of the state corporation commission shall file with the commission copies of all such inspector's clearance receipts for such vehicles. The inspections required herein shall be performed by inspectors in the state fire marshal's office, except that the state fire marshal may issue a private inspector's permit to any person having registered in his name in this state one (1) or more vehicles used for transporting liquid fuel, if such person maintains inspection facilities and personnel qualified to perform the inspection to the satisfaction of the state fire marshal's office.
K.S.A. 31-146