An agreement, arrangement, or understanding between a U.S. supplier of defense articles or services and a foreign country under which the supplier agrees to purchase or acquire, to promote the purchase or acquisition by other U.S. persons, of goods or services produced, manufactured, grown, or extracted, in whole or in part, in that foreign country in consideration for the purchase by the country of defense articles or services from the supplier [Sec. 39A(d)(1), Arms Export Control Act]. See also direct offset and indirect offset.