Tennessee Code Title 6. Cities and Towns § 6-54-502

(a) Any municipality is hereby authorized to adopt by reference any code or portions of any code as defined in § 6-54-501, without setting forth such codes in full; provided, that at least one (1) copy of the code that is incorporated or adopted by reference is filed in the office of the clerk or recorder of the municipality and is kept available for public use, inspection, and examination. Any municipality is likewise authorized and empowered to adopt by reference any public records; provided, likewise, that one (1) copy of such public record is kept on file in the office of the clerk of the municipality as provided above for codes. The filing requirement herein prescribed shall not be deemed to be complied with unless the required copy of such code or public record is filed with the clerk of such municipality for a period of fifteen (15) days prior to adoption of the ordinance that incorporates such code or public record by reference.

(b) In those municipalities that have adopted building codes by reference pursuant to subsection (a), except when a municipal governing body by a vote of at least two thirds ( 2/3 ) of its total membership elects not to incorporate by reference any specific change or amendment, the municipal governing body shall incorporate by reference all such subsequent changes and amendments thereof, properly identified as to date and source, as may be adopted by the agency or association that promulgated the code.

(c) In those municipalities that have adopted building codes by reference pursuant to subsection (a), the requirements of subsection (b) may be satisfied by having the appropriate municipal code administrative official adopt administrative regulations that incorporate by reference such subsequent changes and amendments thereof, properly identified as to date and source, as may be adopted by the agency or association that promulgated the code.

(d) Any administrative regulations that incorporate building code amendments by reference shall become effective upon the expiration of ninety (90) calendar days or after the second official meeting of the municipal governing body following the publication of the regulations, whichever is later, unless within that period of time a resolution disapproving such administrative regulation has been adopted by the municipal governing body.

(e) In addition to complying with all requirements for the issuance of administrative regulations by the appropriate municipal code administrative official, the filing requirement of subsection (a) shall be complied with in adopting amendments to building codes by administrative regulation.