International Traffic in Arms Regulations [ITAR] Law and Legal Definition

The International Traffic in Arms Regulations (ITAR) is a set of the U.S. government regulations that control the export and import of defense-related articles and services on the U.S. Munitions List (USML). The ITAR aims to safeguard the U.S. national security and further the U.S. foreign policy objectives. It implement the provisions of the Arms Export Control Act (AECA) that prohibits arms traders and manufacturers from the sale of certain sensitive technologies to certain parties and requiring thorough documentation of such trades to trusted parties.