ANSI Z26.1
American National Standard for Safety Glazing Materials for Glazing Motor Vehicles and Motor Vehicle Equipment Operating on Land Highways—Safety Standard
Published by American National Standards Institute (ANSI)
The CFR incorporates ANSI Z26.1 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 3 editions the CFR requires
Different parts name different editions; each applies where its part says so. Newest first.
ANSI Z26.1-1996, approved August 11, 1997
As the CFR lists it: “ANSI/SAE Z 26.1-1996, American National Standard for Safety Glazing Materials for Glazing Motor Vehicles and Motor Vehicle Equipment Operating on Land Highways—Safety Standard, approved August 11, 1997”
- Listed in 46 CFR 136.112(i)(1); required by46 CFR 144.905
ANSI Z26.1-1977
As the CFR lists it: “Z 26.1-1977, including 1980 supplement, Safety Glazing Materials For Glazing Motor Vehicles Operating on Land Highways”
- Listed in 46 CFR 114.600(d)(3); required by46 CFR 116.1030 ↗
- Listed in 46 CFR 125.180(c)(2); required by46 CFR 127.430 ↗
Listed as: “Z 26.1-1977 (including 1980 Supplement)—Safety Code for Safety Glazing Materials for Glazing Motor Vehicles Operating on Land Highways”
ANSI Z26.1
As the CFR lists it: “Motor Vehicles Operating on Land Highways (“ANSI Z 26.1”)”
- Listed in 46 CFR 175.600(d)(3); required by46 CFR 177.1030 ↗
How to read it
- Where to get itANSI website ↗
The web address the CFR prints for this publisher.
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.
ANSI Z26.1 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.