Model year.

(8) Model year. The manufacturer's annual production period (as determined by the Administrator) which includes January 1 of such calendar year; Provided, That if the manufacturer has no annual production period, the term model year shall mean the calendar year in which a vehicle is modified. A certificate holder shall be deemed to have produced a vehicle or engine when the certificate holder has modified the nonconforming vehicle or engine.


40 CFR § 85.1502

Scoping language

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