1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 89 - CONTROL OF EMISSIONS FROM NEW AND IN-USE NONROAD COMPRESSION-IGNITION ENGINES
  6. Subpart B - Emission Standards and Certification Provisions
  7. 40 CFR § 89.121
40 CFR § 89.121
Certificate of conformity effective dates
June 9, 2020
CFR

The certificate of conformity is valid from the date of issuance by EPA until 31 December of the model year or calendar year for which it is issued.

[59 FR 31335, June 17, 1994. Redesignated at 63 FR 56995, Oct. 23, 1998]

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§ 89.120 Compliance with emission standards
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§ 89.123 Amending the application and certificate of conformity

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