The International Taekwondo Council is not a Association or federation, But is a Council that offers non obligational guidance to all independents, Groups, Associations and federations alike.
They are a neutral body that helps bring all of TKD and martial arts together, not to be controlling but to be assisting where requested.
They provide insurance licencing for Students, Instructor insurance licencing, courses for qualifications, DBS checks, first aid and much more.
They will also point you to the best point of communication in any group you wish to become a part of or they will help you as a individual having your own school.
Their website is https://www.international-taekwondo-council.com/