(2) Delegation An audit under this subsection may be conducted by the Secretary of Labor, by contract with a qualified non-governmental organization, or in cooperation with the Comptroller General of the United States, as the Secretary of Labor considers appropriate. 207. Bonding (a) Requirements (1) In general Except as provided in paragraph (2), each fiduciary and each person who handles funds or property of the Fund shall be bonded as provided in this section. (2) Exceptions (A) In general Bond shall not be required of a fiduciary (or of any officer or employee of such fiduciary) if such fiduciary— (i) is a corporation organized and doing business under the laws of the United States or of any State