NFPA 12A
Standard on Halon 1301 Fire Extinguishing Systems
Published by National Fire Protection Association (NFPA)
The CFR incorporates NFPA 12A by reference, which makes the edition it names part of the regulation. The CFR requires the edition it names, which may not be the newest. To enforce any other edition, the agency must publish the change in the Federal Register.
The edition the CFR requires
NFPA 12A, 2009 Edition, effective July 18, 2008
As the CFR lists it: “NFPA 12A, Standard on Halon 1301 Fire Extinguishing Systems, 2009 Edition, effective July 18, 2008”
- Listed in 46 CFR 147.7(e)(2); required by46 CFR 147.65 ↗
How to read it
- The publisher’s page for this standardNFPA 12A on nfpa.org ↗
- Read it freeNFPA free access ↗
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A free or purchased copy may not be the edition the CFR names; check it against the edition above. Every incorporated standard can also be inspected at the National Archives (NARA) and at the agency named in the section that lists it.
NFPA 12A is copyrighted by its publisher; RegKnot shows its title and the editions the CFR names, not its text. Read from the eCFR's incorporation-by-reference sections, current as of October 26, 2026. The regulation text governs. All standards the CFR requires.