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Code of Federal Regulations
C.F.R. Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 85—CONTROL OF AIR POLLUTION FROM MOBILE SOURCES
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Subpart X—Determination of Model Year for Motor Vehicles and Engines Used in Motor Vehicles Under Section 177 and Part A of Title II of the Clean Air Act
§85.2301 Applicability.
§85.2302 Definition of model year.
§85.2303 Duration of model year.
§85.2304 Definition of production period.
§85.2305 Duration and applicability of certificates of conformity.
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