The World Taekwondo Federation (WTF) is the international federation governing the sport of taekwondo and para-taekwondo. WTF is a member of the Association of Summer Olympic International Federations (ASOIF). A National Governing Body (NGB) governs the sport in each country. For example, within the USA, the NGB is USA Taekwondo. In South Korea, for example, the NGB is the Korea Taekwondo Association (KTA).