Nonprofit organization—
Means any corporation, trust, association, cooperative, or other organization that—
Is operated primarily for scientific, educational, service, charitable, or similar purposes in the public interest;
Is not organized primarily for profit; and
Uses net proceeds to maintain, improve, or expand the operations of the organization.
Includes nonprofit—
Institutions of higher education;
Hospitals; and
Tribal organizations other than those included in the definition of “Indian Tribe.”