Complex sentence: The United States Bureau of Indian Affairs officially recognizes the tribe, and circa 2003 the officially recognized name is, Wichita and Affiliated Tribes (Wichita, Keechi, Waco and Tawakonie), Oklahoma.
Split into simpler sentences: The United States Bureau of Indian Affairs officially recognizes the tribe. Circa 2003 the officially recognized name is, Wichita and Affiliated Tribes (Wichita, Keechi, Waco and Tawakonie), Oklahoma.