; (2) shall have as surety thereon a corporate surety company which is an acceptable surety on Federal bonds under authority granted by the Secretary of the Treasury pursuant to sections 9304 through 9308 of title 31, United States Code; and (3) shall be in a form or of a type approved by the Secretary of Labor, including individual bonds or schedule or blanket forms of bonds which cover a group or class. (d) Custody of funds (1) In general It shall be unlawful for any person to whom subsection (a) applies, to receive, handle, disburse, or otherwise exercise custody or control of any of the funds or other property of the Fund without being bonded as required by this section. (2) Fiduciaries It shall be unlawful for any fiduciary, or any other person having authority to direct the performance of functions described in paragraph (1), to permit any such function to be performed by any person to whom subsection (a) applies unless such person has met the requirements of such subsection. (e) Exemption Notwithstanding any other provision of law, any person who is required to be bonded as provided in subsection (a) shall be exempt from any other provision of law which would, but for this subsection, require such person to be bonded for the handling of the funds or other property of the Fund. (f) Regulations The Secretary of Labor shall prescribe such regulations as may be necessary to carry out the provisions of this section, including exempting a person or class of persons from the requirements of this section. 208. Investigative authority Any authority available to the Secretary of Labor under section 504 of the Employee Retirement Income Security Act of 1974 ( 29 U.S.C. 1134 ) is hereby made available to the Secretary of Labor, and any officer designated by the Secretary of Labor, to determine whether any person has violated, or is about to violate, any provision of sections 206 or 207. 209. Exculpatory provisions