; or (B) 3 years after the earliest date on which the plaintiff had actual knowledge of the breach or violation, except that, in the case of fraud or concealment, such action may be commenced not later than 6 years after the date of discovery of such breach or violation. (7) Jurisdiction (A) The district courts of the United States shall have exclusive jurisdiction of civil actions under this subsection. (B) An action under this subsection may be brought in the District Court of the United States for the District of Columbia or a district court of the United States in the district where the breach alleged in the complaint or petition filed in the action took place or in the district where a defendant resides or may be found. Process may be served in any other district where a defendant resides or may be found. (8) Service (A) A copy of the complaint or petition filed in any action brought under this subsection (other than by the Secretary) shall be served on the Chair, the Secretary, and the Secretary of the Treasury by certified mail. (B) Any officer referred to in subparagraph (A) shall have the right in the officer's discretion to intervene in any action. If the Secretary brings an action under paragraph (2) on behalf of a participant or beneficiary, the Secretary shall notify the Chair and the Secretary of the Treasury. (f) Regulations The Secretary may prescribe regulations to carry out this section. (g) Audits by Secretary (1) In general The Secretary of Labor shall establish a program to carry out audits to determine the level of compliance with the requirements of this section relating to fiduciary responsibilities and prohibited activities of fiduciaries. (2) Contracts, etc An audit under this subsection may be conducted by the Secretary, by contract with a qualified nongovernmental organization, or in cooperation with the Comptroller General of the United States, as the Secretary considers appropriate. 104. American Savings Account Fund Advisory Council (a) In general The Board shall establish an