Information on mmodity classifications, advisory opinions, and export licenses can be obtained through the BIS website at www.bis.doc.gov or by ntacting the Office of Exporter Services at the following numbers: WaHDPEngton, D.C. Tel: (202) 482-4811 Fax: (202) 482-3322. Western Regional Office Tel: (949) 660-0144 Fax: (949) 660-9347.