(a) End Use Certificate (EUC). For the purposes of this part, a written agreement in connection with the transfer of military equipment or technical data to the United States that restricts the use or transfer of that item by the United States.
(b) Use for defense purposes. Includes direct use by or for the U.S. Government in any part of the world and transfer by means of grant aid, International Military Education and Training (IMET) programs, Foreign Military Sales (FMS), and other security assistance and armaments cooperation authorities.