The (corporate) UNITED STATES has been operating under emergency provisions continuously since they declared bankruptcy in 1933. See:
Senate Report 93-549: Emergency Powers Statutes: Provisions of Federal Law Now in Effect Delegating to the Executive Extraordinary Authority in Time of National Emergency
REPORT OF THE SPECIAL COMMITTEE ON THE TERMINATION OF THE NATIONAL EMERGENCY
UNITED STATES SENATE
https://archive.org/stream/senate-report-93-549/senate-report-93-549_djvu.txt