Pub. L. 104-61, tit. VIII, sec. 8104

Sec. 8104. None of the funds appropriated in this Act to the Department of the Army may be obligated for procurement of 120mm mortars or 120mm mortar ammunition manufactured outside of the United States: Provided, That the Secretary of the military department responsible for such procurement may waive this restriction on a case-by-case basis by certifying in writing to the Committees on Appropriations of the House of Representatives and the Senate, that adequate domestic supplies are not available to meet Department of Defense requirements on a timely basis and that such an acquisition must be made in order to acquire capability for national security purposes.