Section 15 Base metals and articles of base metal 83 Miscellaneous articles of base metal 83 04 Filing cabinets, card-index cabinets, paper trays, paper rests, pen trays, office-stamp stands and similar office or desk equipment, of base metal, other than office furniture of heading 9403 83 04 00 Cardindex cabinets 83 04 00 20 Cardindex cabinets Commodity Code Description 83 04 00 20 000 Cardindex cabinets