N.C. Gen. Stat. § 166A-53

Nothing in this Compact shall authorize or permit the use of military force by the National Guard of a state at any place outside that state in any emergency for which the President is authorized by law to call into federal service the militia, or for any purpose for which the use of the Army or the Air Force would in the absence of express statutory authorization be prohibited under section 1385 of Title 18, United States Code.