36 U.S.C. § 20304

The corporation may— (1) adopt bylaws and regulations; (2) fill vacancies; (3) provide for the election of foreign, domestic, or honorary associate members, and the division of those members into classes; (4) receive bequests and donations of property, hold the property in trust, and invest the property to carry out the purpose of the corporation; and (5) do any other act necessary or usual for such a corporation.