involvement in hostilities is clearly indicated by the circumstances, are exercised only pursuant to (1) a declaration of war, (2) specific statutory authorization, or (3) a national emergency created by attack upon the United States, its territories or possessions, or its armed forces.”. 3. Restriction on use of funds for kinetic military operations in North Korea (a) In general No funds may be used for kinetic military operations in North Korea absent an imminent threat to the United States without express congressional authorization. (b) Exceptions The prohibition shall not apply with respect to the introduction of the Armed Forces into hostilities to repel a sudden attack on the United States, its territories or possessions, or its Armed Forces, or its allies