The authorities vested in the President by sections 7422 and 7430(a) of this title may not be delegated by the President pursuant to or any other provision of law. The authority vested in the President by may not be delegated by the President pursuant to or any other provision of law to any official other than the Secretary of Defense, and if so delegated may not be subdelegated.section 301 of title 3section 7424(c)(3) of this titlesection 301 of title 3