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 - Card-index cabinets 83 04 00 20 - Card-index cabinets Commodity Code Description 83 04 00 20 000 - Card-index cabinets