Harmonized tariff schedule of the United States, 2006 [electronic resources]. - Washington : US GPO, [2006]. - 1 compact disc (CD-ROM) ; 12 cm.. - System requirements: IBM/ Compatible PCs: 486 or greater processor, Windows 95/98/NT 4.0 (SP 3), 16MB RAM, 10MB free hard disk space[MFN: 2274]