Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 11 New pneumatic tyres, of rubber 40 11 80 Of a kind used on machinery of heading 84.29 or 84.30 40 11 80 31 Of a kind used on machinery of heading 84.29 or 84.30 Commodity Code Description 40 11 80 31 00 Of a kind used on machinery of heading 84.29 or 84.30