Colorado Revised Statutes Title 28. Military and Veterans § 28-3-204. Call to federal duty--status

When congress has declared a national emergency or has authorized the use of the armed forces of the United States for any purpose requiring the use of troops in excess of those in the regular armed services and the president has ordered into the active military service of the United States, to serve therein for the period of the war or emergency, any units and members of the National Guard of this state, all forces so ordered into the active military service of the United States shall from the date thereof stand relieved from duty in the National Guard of this state so long as they remain in the active military service of the United States when so provided by the federal law. Upon being relieved from such duty in the military service of the United States, all such individuals and units shall revert to their Colorado National Guard status.