adopt a constitution, bylaws, and regulations;

adopt and alter a corporate seal;

adopt emblems and badges;

establish and maintain offices to conduct its activities;

establish State, territorial, and local subdivisions;

acquire, own, lease, encumber, and transfer property as necessary to carry out the purposes of the corporation, subject to section 22506(b) of this title;

publish a magazine and other publications;

sue and be sued; and

do any other act necessary and proper to carry out its purposes.