(1) No act or proceeding of the Board or of any committee of the National Bank shall be questioned on the ground merely of the existence of any vacancy in, or defect in the constitution of, the Board or the committee, as the case may be.

(2) No act done by any person acting in good faith as a director of the Board or as a member of a committee of the National Bank shall become invalid merely on the ground that he was disqualified to be a director or that there was any other defect in his appointment.