49 C.F.R. § 525.5 Limitation on eligibility.
Title 49 - Transportation
Any manufacturer that manufactures (whether or not in the customs territory of the United States) 10,000 or more passenger automobiles in the second model year preceding an affected model year or in the affected model year is ineligible for an exemption for that affected model year.
Title 49: Transportation
PART 525—EXEMPTIONS FROM AVERAGE FUEL ECONOMY STANDARDS
§ 525.5 Limitation on eligibility.