2021 IBC with Tennessee amendments (Rule 0780-02-02), effective Apr 17, 2025; also 2021 IEBC, IMC, IPC, IFGC, IPMC and commercial IECC; 2018 IRC and residential IECC; 2017 NEC with two optional items. Enforced by SFMO Codes Enforcement (plans review, inspections) outside exempt jurisdictions; exempt local governments enforce their own codes, which must be within 7 years of the latest edition (T.C.A. 68-120-101(b)(5)(A)), subject to SFMO audit. Checked on the primary source; the state record was last reviewed 2026-11-12.
Replaced the 2012 I-codes in force since Aug 4, 2016. Amendments address the ASCE 7 edition, flammable gases (2024 IBC/IFC definitions) and IEBC storm shelters. Prior-code plans were accepted through Aug 15, 2025 (AIA Tennessee).
Source: primary document
Statewide layer. County and city amendments sit on top; confirm the local office for the address.
In force (State Fire Marshal's adopted-codes page read on the primary page Nov 9, 2026: 2021 edition effective Apr 17, 2025; no newer adoption, proposed rule or hearing posted)
These apply when the building has the equipment or fits the type named. The frequency is the standard one; your local official can set a stricter one, so confirm it for the address.
2021 IBC with Tennessee amendments (Rule 0780-02-02), effective Apr 17, 2025; also 2021 IEBC, IMC, IPC, IFGC, IPMC and commercial IECC; 2018 IRC and residential IECC; 2017 NEC with two optional items. Replaced the 2012 I-codes in force since Aug 4, 2016. Amendments address the ASCE 7 edition, flammable gases (2024 IBC/IFC definitions) and IEBC storm shelters. Prior-code plans were accepted through Aug 15, 2025 (AIA Tennessee).
SFMO Codes Enforcement (plans review, inspections) outside exempt jurisdictions; exempt local governments enforce their own codes, which must be within 7 years of the latest edition (T.C.A. 68-120-101(b)(5)(A)), subject to SFMO audit.
Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.
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