Any institution established jointly by counties, as provided in § 71-5-2111, shall in all respects serve as a county institution of each of the counties participating, subject to the rules and regulations agreed upon by the legislative bodies of the participating counties. Such contract shall be executed by the governing body of each county by its proper officer.
Government of joint institutions
Tenn. Code Ann. § 71-5-2112, under Poor Asylums.
Tenn. Code Ann. § 71-5-2112