Members of the Council and Institute Fellows shall avoid any action, in their activities with respect to the Institute, which might result in, or create the appearance of, a conflict of interest, including but not limited to—
((1)) using their office or position for private gain;
((2)) giving preferential treatment to any person;
((3)) making recommendations or decisions relating to any activity authorized by this chapter in other than an impartial and independent manner;
((4)) misusing Government property or official information obtained through their office or position which has not been made available to the general public; or
((5)) affecting adversely the confidence of the public in the integrity of the Institute.