Except as provided in paragraph (3), the prohibitions of section 1843 of this title shall not apply to shares of any company organized under the laws of a foreign country (or to shares held by such company in any company engaged in the same general line of business as the investor company or in a business related to the business of the investor company) that is principally engaged in business outside the United States if such shares are held or acquired by a bank holding company organized under the laws of a foreign country that is principally engaged in the banking business outside the United States. For the purpose of this subsection, the term “section 2(h)(2) company” means any company whose shares are held pursuant to this paragraph.