Nothing in chapters 1-3 of this title shall be construed to alter, abridge or abrogate any provision of §§ 5-1-113 and 49-2-503 or any other law, practice, custom or tradition with respect to contractual, cooperative, unilateral or other devices for simplifying or expediting municipal or county government.
Effect on local government simplification statutes
Tenn. Code Ann. § 7-1-107, under Metropolitan Government — General Provisions.
Tenn. Code Ann. § 7-1-107