Commerce Control List (CCL)
A key in determining whether an export license is needed from the Department of Commerce is knowing whether the item you intend to export has a specific Export Control Classification Number (ECCN). The ECCN is an alpha-numeric code, e.g., 3A001, that describes the item and indicates licensing requirements. All ECCNs are listed in the Commerce Control List (CCL) (Supplement No. 1 to Part 774 of the EAR) which is available on the Government Printing Office website. The CCL is divided into ten broad categories, and each category is further subdivided into five product groups[1].
Links
http://www.bis.doc.gov/index.php/regulations/commerce-control-list-ccl