Within 90 days after receiving a report submitted under subsection (b)(3)(A) in which the Secretary finds that an article is being imported into the United States in such quantities or under such circumstances as to threaten to impair the national security, the President shall—
(i)#
determine whether the President concurs with the finding of the Secretary, and
(ii)#
if the President concurs, determine the nature and duration of the action that, in the judgment of the President, must be taken to adjust the imports of the article and its derivatives so that such imports will not threaten to impair the national security.