; or (iv) causing a significant misappropriation of funds or economic resources, trade secrets, personally identifiable information, or financial information. (15) National security The term national security shall be construed so as to include those issues relating to homeland security , including its application to critical infrastructure. (16) Party The term party has the meaning given that term in regulations prescribed by the Committee. (17) United States The term United States means the several States, the District of Columbia, and any territory or possession of the United States. (18) United States business The term United States business means a person engaged in interstate commerce in the United States. . 4. Inclusion of partnership and side agreements in notice Section 721(b)(1)(C) of the Defense Production Act of 1950 ( 50 U.S.C. 4565(b)(1)(C) ) is amended by adding at the end the following: (iv) Inclusion of partnership and side agreements A written notice submitted under clause (i) by a party to a covered transaction shall include a copy of any partnership agreements, integration agreements, or other side agreements relating to the transaction, including any such agreements relating to the transfer of intellectual property, as specified in regulations prescribed by the Committee. . 5. Declarations relating to certain covered transactions Section 721(b)(1)(C) of the Defense Production Act of 1950 ( 50 U.S.C. 4565(b)(1)(C) ), as amended by section 4, is further amended by adding at the end the following: (v) Declarations relating to certain covered transactions (I) Voluntary declarations Except as provided in this clause, a party to any covered transaction may submit to the Committee a declaration with basic information regarding the transaction instead of a written notice under clause (i). (II) Mandatory declarations (aa) Certain covered transactions with foreign government interests The parties to a covered transaction shall submit a declaration described in subclause (I) with respect to the