; or (CC) could otherwise expose national security activities at such an installation, facility, or property to the risk of foreign surveillance; and (III) meets such other criteria as the Committee prescribes by regulation, as long as such criteria do not expand the categories of real estate to which this clause applies beyond the categories described in subclause (II). (iii) Any other investment (other than a passive investment) by a foreign person in any United States critical technology company or United States critical infrastructure company that is unaffiliated with the foreign person, subject to regulations prescribed under subparagraph (C). (iv) Any change in the rights that a foreign person has with respect to a United States business in which the foreign person has an investment, if that change could result in— (I) foreign control of the United States business; or (II) an investment described in clause (iii). (v) Any other transaction, transfer, agreement, or arrangement the structure of which is designed or intended to evade or circumvent the application of this section, subject to regulations prescribed by the Committee. (C) Further definition through regulations (i) Exception for certain real estate transactions A real estate purchase or lease described in subparagraph (B)(ii) does not include a lease or purchase of— (I) a single housing unit , as defined by the Census Bureau