(1) A plan fiduciary, employer, plan participant, or beneficiary, who is adversely affected by the act or omission of any party under this subtitle with respect to a multiemployer plan, or an employee organization which represents such a plan participant or beneficiary for purposes of collective bargaining, may bring an action for appropriate legal or equitable relief, or both.
(2) Notwithstanding paragraph (1), this section does not authorize an action against the Secretary of the Treasury, the Secretary of Labor, or the corporation.