Tenn. Code Ann. § 6-32-204: Preservation and publication of ordinances

(a) All ordinances and their amendments shall be recorded by the clerk in a book to be known as the "ordinance book," and it shall be the duty of the mayor and clerk to authenticate such records by their official signatures. A separate record shall be maintained for resolutions. The original copies of all ordinances, resolutions, and motions shall be filed and preserved by the city clerk.

(b) At least an abstract of the essential provisions of each ordinance shall be published once in the official city newspaper within ten (10) days after its adoption, except that only the title shall be so published of any technical code adopted by reference.