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 tyres..., of rubber 40 12 20 Of a kind used on machinery of heading 84.29 or 84.30 40 12 20 60 Of a kind used on machinery of heading 84.29 or 84.30 Commodity Code Description 40 12 20 60 00 Of a kind used on machinery of heading 84.29 or 84.30