Tenn. Code Ann. § 37-1-205: Special district juvenile courts

Special juvenile courts may be created by law to exercise juvenile court jurisdiction in a county or in several contiguous counties. Funds for the operation of such special district juvenile courts shall be furnished by the counties within each special juvenile court district. Counties within the juvenile court district shall, by contract, enter into such agreements as they may deem necessary and desirable in order to provide for the conducting of business affairs and financing of the court as provided in § 5-1-114 .