; review and actions to mitigate risk (a) Mandatory notification (1) In general Subject to regulations prescribed in accordance with section 1008, beginning on the date that is 90 days after such regulations take effect, a United States person that plans to engage in a covered activity shall submit to the Committee a complete written notification of the activity not later than 90 days before the anticipated initiation date of the activity. (2) Circulation of notification (A) In general The Committee shall, upon receipt of a notification under paragraph (1), promptly inspect the notification for completeness, and, if complete, immediately circulate the notification to each agency specified in section 1002(b). (B) Incomplete notifications If a notification submitted under paragraph (1) is incomplete, the Committee shall , unilaterally or at request of any member of the Committee, promptly inform the United States person that submits the notification that the notification is not complete and provide an explanation of relevant material respects in which the notification is not complete. (C) Referral to attorney general If the Committee has reason to believe that a covered activity that is the subject of a notification submitted under paragraph (1) may be prohibited under this title or regulations prescribed in accordance with section 1008, the President may refer the notification to the Attorney General for such action as the Attorney General may determine to be proper. (b) Review (1) In general Subject to regulations prescribed in accordance with section 1008, the Committee may, beginning on the date that is 180 days after the date on which such regulations take effect, review a covered activity that is the subject of a notification under subsection (a) to determine if the activity poses a risk to the national security of the United States, including by considering factors specified in section 1004. (2) Notice of review Not later than 45 days after receipt of a complete notification under subsection (a), the