During World War II, the Barbarossa decree was one of the Wehrmacht criminal orders given on 13 May 1941, shortly before Operation Barbarossa, the invasion of the Soviet Union. The decree was laid out by Adolf Hitler during a high-level meeting with military officials on March 30, 1941, where he declared that the upcoming war against the Soviets would be a war of extermination, in which both the political and intellectual elites of Russia would be eradicated by German forces, in order to ensure a long-lasting German victory. Hitler underlined that executions would not be a matter for military courts, but for the organised action of the military. The decree, issued by Field Marshal Keitel a few weeks before Operation Barbarossa, exempted punishable offenses committed by enemy civilians (in Russia) from the jurisdiction of military justice. Suspects were to be brought before an officer who would decide if they were to be shot. Prosecution of offenses against civilians by members of the Wehrmacht was decreed to be "not required" unless necessary for the maintenance of discipline. The Barbarossa Decree (full title "Decree on the Jurisdiction of Martial Law and on Special Measures of the Troops"', formal designation C-50) is a document signed on 13 May 1941 by the German OKW Chief Wilhelm Keitel during the preparation for Operation Barbarossa against the Soviet Union in World War II. The document concerns the German military conduct in relation to Soviet civilians and Soviet partisans. It instructed German troops to "defend themselves against every threat from the enemy civilian population without mercy". The decree also stipulated that all attacks "by enemy civilians against the Wehrmacht, its members and retinue are to be repelled on the spot by the most extreme measures up to the destruction of the attacker". On 27 July 1941, Keitel ordered that all copies of the decree be destroyed; however the decree would still retain its official validity.