36 U.S.C. § 20304

(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.