Regulations last checked for updates: Dec 17, 2025

Title 49 - Transportation last revised: Nov 03, 2025
All TitlesTitle 49Chapter IIPart 223Appendix Appendix A - Appendix A to Part 223—Certification of Glazing Materials
Collapse to view onlyAppendix Appendix A - Appendix A to Part 223—Certification of Glazing Materials
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authority: 49 U.S.C. 20102-20103,20133,20701,21301,21304; 28 U.S.C. 2461 note; and 49 CFR 1.89
source: 44 FR 77352, Dec. 31, 1979, unless otherwise noted.
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