Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 12 Retreaded or used pneumatic tyres of rubber; solid/cushion tyres..., of rubber 40 12 13 Of a kind used on aircraft 40 12 13 00 Of a kind used on aircraft Commodity Code Description 40 12 13 00 000 Of a kind used on aircraft