10 U.S.C. § 12406(3)

10 U.S.C. § 12406(3) authorizes the federalization of the National Guard when 'the President is unable with the regular forces to execute the laws of the United States.'

Subsections 10 U.S.C. § 12406(2) and 10 U.S.C. § 12406(3) are specific statutory provisions that can be invoked as bases to federalize and deploy National Guard members.