; chairperson The terms Committee and chairperson mean the Committee on Foreign Investment in the United States and the chairperson thereof, respectively. (3) Control The term control means the power to determine, direct, or decide important matters affecting an entity, subject to regulations prescribed by the Committee. (4) Country of special concern (A) In general The term country of special concern means a country that poses a significant threat to the national security interests of the United States. (B) Rule of construction This paragraph shall not be construed to require the Committee to maintain a list of countries of special concern. (5) Covered transaction (A) In general Except as otherwise provided, the term covered transaction means any transaction described in subparagraph (B) that is proposed, pending, or completed on or after the date of the enactment of the Foreign Investment Risk Review Modernization Act of 2017 . (B) Transactions described A transaction described in this subparagraph is any of the following: (i) Any merger, acquisition, or takeover that is proposed or pending after August 23, 1988, by or with any foreign person that could result in foreign control of any United States business. (ii) The purchase or lease by a foreign person of private or public real estate that— (I) is located in the United States and is in close proximity to a United States military installation or to another facility or property of the United States Government that is sensitive for reasons relating to national security