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 Committee shall notify the United States person that submitted the notification of the decision of the Committee with respect to whether to initiate a review under paragraph (1) of the covered activity that is the subject of the notification. (3) Initiation of unilateral review The Committee may initiate a unilateral review under paragraph (1) of a covered activity for which notification is not submitted under subsection (a). (c) Mitigation (1) In general If the Committee has reason to believe that a covered activity that is the subject of a notification under subsection (a) or with respect to which the Committee initiates a unilateral review under subsection (b)(3) poses a risk to the national security of the United States, the Committee may negotiate, enter into or impose, and enforce any agreement or condition with any party to the covered activity in order to mitigate any risk to the national security of the United States that arises as a result of the covered activity. (2) Abandonment of activities If a party to a covered activity has voluntarily chosen to abandon the activity, the Committee may negotiate, enter into or impose, and enforce any agreement or condition with any party to the covered activity for purposes of effectuating such abandonment and mitigating any risk to the national security of the United States that arises as a result of the covered activity. (3) Agreements and conditions relating to completed activities While the Committee is conducting a review of a covered activity under subsection (b), the Committee may negotiate, enter into or impose, and enforce any agreement or condition with any party to the covered activity in order to mitigate any interim risk to the national security of the United States that may arise as a result of the covered