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Regulations last checked for updates: Feb 06, 2026
Title 49 - Transportation last revised: Jan 27, 2026
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Title 49
Chapter V
Part 525 - PART 525—EXEMPTIONS FROM AVERAGE FUEL ECONOMY STANDARDS
View all text of Part 525 [§ 525.1 - § 525.12]
§ 525.9 - Duration of exemption.
An exemption may be granted under this part for not more than three model years.
authority:
15 U.S.C. 2002
;
49 CFR 1.50
source:
42 FR 38376, July 28, 1977, unless otherwise noted.
cite as:
49 CFR 525.9
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