Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 86 - Control of Emissions from New and in-Use Highway Vehicles and Engines |
Subpart R - XXX |
§ 86.1704-99 - Section numbering; construction.
Latest version.
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(a) The model year of initial applicability is indicated by the last two digits of the six-digit group of the section number. A section remains in effect for subsequent model years until it is superseded.
(b) A section reference without a model year suffix shall be interpreted to be a reference to the section applicable to the appropriate model year.