(a)  Except as provided in sections 1105(b)(1) and 1105(d) of this title, any provision in an agreement or instrument which purports to relieve a fiduciary from responsibility or liability for any responsibility, obligation, or duty under this part shall be void as against public policy.

(b)  Nothing in this subpart 11 So in original. This part does not contain subparts. shall preclude⁠—

(1)  a plan from purchasing insurance for its fiduciaries or for itself to cover liability or losses occurring by reason of the act or omission of a fiduciary, if such insurance permits recourse by the insurer against the fiduciary in the case of a breach of a fiduciary obligation by such fiduciary;

(2)  a fiduciary from purchasing insurance to cover liability under this part from and for his own account; or

(3)  an employer or an employee organization from purchasing insurance to cover potential liability of one or more persons who serve in a fiduciary capacity with regard to an employee benefit plan.