Section 09 Wood and articles of wood; wood charcoal; cork and articles of cork; manufactures of straw, of esparto or of other plaiting materials; basketware and wickerwork 44 Wood and articles of wood; wood charcoal 44 06 Railway or tramway sleepers (cross-ties) of wood Commodity Code Description 44 06 10 Railway or tramway sleepers (cross-ties) of wood, not impregnated 44 06 11 Coniferous 44 06 12 Non-coniferous 44 06 90 Railway or tramway sleepers (cross-ties) of wood, impregnated 44 06 91 Coniferous 44 06 92 Non-coniferous