ITAR - International Traffic in Arms Regulations 127.1(a)-(b): Prevent unauthorised exports, reexports, imports, brokering and unregistered business

Without the required licence or written approval it is unlawful to export or attempt to export defense articles or technical data or furnish defense services, to reexport or retransfer them (including items first exported under the treaty exemptions), to import them where a licence is required, to conspire to do any of these, or to possess a defense article intending to export or transfer it unlawfully (127.1(a)); it is also unlawful to breach any licence or approval term, any exemption or any ITAR rule, to engage in the business of brokering without registration or approval, or to engage in manufacturing, exporting or furnishing defense services without registering, where one occasion suffices (127.1(b)).