Under the provisions of Title 2 of the 1950 Internal Security Act also known as the McCarran Act the President of the United States of America is still authorized, without further approval by Congress to determine an event of insurrection in the United States and to declare the existence of an "internal security emergency"
Ao abeiro do artigo 2º da lei de seguridade interna de 1950, a Lei McCarran, o presidente dos EUA posúe o dereito, sen precisar da aprobación do Congreso, de decidir, no caso de insurrección nos EUA declarar o Estado de urxencia.