The corporation may—
((1)) adopt a constitution, bylaws, and regulations;
((2)) fill vacancies;
((3)) provide for the election of members and the division of those members into classes;
((4)) receive property, hold the property absolutely or in trust, invest and manage the property, and use the property and income arising from it to carry out the purposes of the corporation; and
((5)) do any other act necessary and proper to carry out the purposes of the corporation.