NHTSA Confidential Appendices Publication

NHTSA has made confidential appendices publicly available via the Regs.gov portal, with the publication date of March 11, 2026. The specific nature of these appendices and their relation to any ongoing regulatory proceedings or investigations is not detailed in the provided information, but they are associated with docket NHTSA-2025-0523.

Regulated entities, particularly automotive manufacturers, should be aware that these appendices have been posted. While no immediate compliance actions are indicated, review may be necessary depending on the context of the appendices and any related NHTSA actions. The document is labeled as 'PUBLIC_Confidential Appendices', suggesting a potential declassification or release of previously protected information.