UL 723
Surface Burning Characteristics of Building Materials
Published by UL Standards & Engagement (UL)
The CFR incorporates UL 723 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
UL 723-1993, as amended through April 20, 1994
As the CFR lists it: “UL 723-1993, Surface Burning Characteristics of Building Materials, as amended through April 20, 1994”
- Listed in 46 CFR 114.600(i)(7); required by46 CFR 114.400 ↗46 CFR 116.422 ↗46 CFR 116.423 ↗46 CFR 116.425 ↗
How to read it
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- Where to get itShopULStandards.com ↗
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.
UL 723 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.