Ark. Code Ann. § 26-55-908: Marking tank

After testing and sealing by the Director of the State Plant Board, the owner or operator of a vehicle tank shall have stenciled or painted conspicuously on each compartment of the tank the calibrated capacity of the tank and, in addition, shall have stenciled or painted on the tank, or the vehicle to which it is attached, the total calibrated capacity of all compartments of the tank.