; or (ii) stock, bond, commodity, future, and other form of security, including an interest in a hedge fund, a derivative, option, or other complex investment vehicle, except nonconflicted assets allowed under subsection (b). (B) Exception Subparagraph (A) shall not apply to a trust described in section 102(f)(2) of the Ethics in Government Act of 1978 (5 U.S.C. App.). (4) Businesses and companies (A) Privately owned or closely held corporation No senior government official may maintain ownership in a privately owned or closely held corporation, company, firm, partnership, or other business enterprise. (B) Board members No senior government official may serve on the board of directors of any for-profit entity, including any corporation, company, firm, partnership, or other business enterprise. (C) Exception Subparagraphs (A) and (B) shall not apply to a qualified small business. (b) Nonconflicted assets (1) In general A senior government official may maintain assets that do not present a conflict of interest, including— (A) a widely held investment fund— (i) described in section 102(f)(8) of the Ethics in Government Act of 1978 (5 U.S.C. App.); and (ii) that meets the requirements described in paragraph (2); (B) noncommercial real estate, including real estate used solely as a personal residence; (C) cash, certificates of deposit, or other forms of savings accounts; (D) a federally managed asset, including— (i) financial interests in or income derived from— (I) any retirement system under title 5, United States Code (including the Thrift Savings Plan under subchapter III of chapter 84 of such title); or (II) any other retirement system maintained by the United States for officers or employees of the United States, including the President, or for members of the uniformed services; (ii) benefits received under the Social Security Act ( 42 U.S.C. 301 et seq.); and (iii) an asset in the Federal Employee Investment Account described in paragraph (3)