The NPRM is required and defined by the Administrative Procedure Act, as well as basic constitutionaldue process guarantees of notice and the ability to be heard whenever one's rights are affected. The FAA, FCC, NTIA, and EPA are examples of agencies subject to these procedures.
The NPRM is published in the Federal Register and typically gives 60 days for public comment from any and all interested parties, and an additional 30 days for reply comments. Original comments may still be filed in the reply comments window.
This proposed rule differs from the final rule also in that it tentatively responds to issues raised in petitions for reconsideration of the June 2002 final rule and proposes to require a TPMS malfunction indicator.
Responsibility for this rulemaking was delegated to NHTSA.
Proposed requirements for color, wording, bulb check, and illumination format for the low tire pressure function (all discussed elsewhere in this proposal), would be unaffected by the incorporation of the TPMS malfunction indicator within the same telltale.