Codes of Record

International Residential Code

Louisiana enforces the 2021 IRC

The 2021 International Residential Code (IRC) has been in force in Louisiana since Jan 1, 2023. It applies statewide. Adopted by Louisiana Uniform Construction Code Commission (formerly Louisiana State Uniform Construction Code Council). The legal citation is LAC 17:I.107.

Record of adoption

Edition in force

2021 IRC

International Residential Code, 2021 Edition (LAC 17:I.107)

Verified

In force since
Legal citation
LAC 17:I.107
Adopted by
Louisiana Uniform Construction Code Commission (formerly Louisiana State Uniform Construction Code Council)
Second reading
Applies
Statewide
State amendments
Major
Also called
LSUCC

Effective date from the commission’s code-information sheet.

Exceptions

  • IRC Part I (administrative) and Part VIII (electrical) are not adopted as written

Coming next

  • 2024 IRCPartial
    Planned for Jan 1, 2027ProposedNotice of Intent, Louisiana Register Vol. 52, No. 8, Aug 20, 2026, proposed LAC 17:I.107

    Proposed section reads International Residential Code (IRC), 2024 Edition; notice of intent only.

How Louisiana adopts the IRC

  • Agency rule
  • The legislature reviews the rules and can block them
  • The legislature sets the update schedule
  • A recent law changed the process

Commission rulemaking amending LAC 17:I.107 via the Louisiana Register. Per the Blue Book summary of statute, major proposed IRC changes must be summarised for each legislative house when submitted to the Commerce oversight committees.

Cycle. Follows the ICC cycle with a lag of roughly 2 to 4 years.

Laws, rulings, and other actions

  1. Other action
    Notice of Intent to adopt 2023 NEC and 2024 I-Codes

    Proposes repealing current LAC 17:I.101-117 language and adopting the 2023 NEC and 2024 I-codes effective Jan 1, 2027.

  2. UndatedLegislation
    SB 228, Act 1202025 regular session

    Transfers the powers and duties of the Louisiana State Uniform Construction Code Council to the State Licensing Board for Contractors.

    Enacted 2025

    luccc.louisiana.gov (opens in a new tab)
  3. UndatedLegislation
    HB 1186, Act 8812026 regular session

    Creates the Louisiana Uniform Construction Code Commission within the Office of the Governor and updates its statutes, including adopting only the latest editions of listed codes.

    Enacted 2026

    luccc.louisiana.gov (opens in a new tab)
  4. UndatedLegislation
    SB 44, Act 122005 regular session

    Created the State Uniform Construction Code and its council/commission; initial code effective Jan 1, 2007.

    Enacted 2005

    luccc.louisiana.gov (opens in a new tab)
  5. UndatedExecutive order
    JBE 17-14 (halted code adoptions until July 1, 2018; since rescinded)

    Per the State Fire Marshal, halted code adoptions until July 1, 2018, then was rescinded and the 2015 I-codes were adopted.

How it was checked

Verified

Two separate readings of the state’s own record agree, and the passage is on file word for word.

Read twice: a second, blind reading of the state’s record agreed with the first on .

The state’s record was last read on , from three source pages.

Evidence 3 sources

Sources for the record itself come first, the state’s own records ahead of others. A label marks a source about something else, such as an exception. A source marked secondary is not the state’s own record.

  • “2021 ICC Codes January 1, 2023”

    “2020 NEC January 1, 2023”

    Louisiana Construction Codes (code information sheet)Louisiana Uniform Construction Code Commissionluccc.louisiana.gov (opens in a new tab)Agency pageRetrieved
  • La. Admin. Code tit. 17, SS I-107 International Residential CodeLegal Information Institute, Cornell Law School (mirror of LAC)law.cornell.edu (opens in a new tab)Administrative code, secondaryRetrieved
  • About another code

    “2021 International Building Code (IBC), (excluding Part 1, and Chapters 11 and 27);”

    “2020 National Electric Code (NEC);”

    “2021 International Energy Conservation Code (IECC).”

    Plan Review: Codes, Rules and LawsLouisiana Office of State Fire Marshallasfm.org (opens in a new tab)Agency pageRetrieved

Tracker cross-checks

Code adoption trackers are a cross-check. They are not Louisiana’s own record.

  • ICC’s code adoption mapCross-checkAgrees with the record

    Adoption chart row ‘State Louisiana 21 21 X 21 21 21 21 21 X 21 21’, IRC = 2021.

    iccsafe.org (opens in a new tab)Read

Related pages

Other codes in Louisiana