AARP
A voluntary association of independent states is a confederacy.
I would have to say emergency medical services... a great percentage in rural America are 100% voluntary ambulance agencies.
Voluntary Protection Programs Participants' Association's population is 15.
Union
confederation
In the United States, rating films is a voluntary system operated by The Motion Picture Association of America. Even though the system is voluntary, most theater chains will not show an unrated film.
commonwealth
A Voluntary association of independent retailers in a given line of business for collective in buying, ad.
Supranationalism
no __ If you mean Is the Commonwealth of Nations a voluntary association then the answer is yes. No one forces a nation to join. However, a country can be booted out for violating basic tenants of the organisation.
The American Psychiatric Association (APA) recognizes voluntary encopresis without constipation as a psychological disorder
The letters WAGGGS stand for the World Association of Girl Guides and Girl Scouts which is the the largest voluntary movement dedicated to girls and young women in the world.