# Air Plan Revisions; California; Motor Vehicle Inspection and Maintenance Program
> **Rule** · Final rule. · Published 2024-08-30 · Effective 2024-09-30 · 89 FR 70497
## Document
- **Document number:** 2024-19374
- **Category:** air-emissions
- **Federal Register citation:** 89 FR 70497
- **CFR reference:** 40 CFR 52
- **Publication date:** 2024-08-30
- **Effective date:** 2024-09-30
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2024-0237
## Abstract

Under the Clean Air Act (CAA or "Act"), the Environmental Protection Agency (EPA) is taking final action to approve a revision to the California State Implementation Plan (SIP). This revision addresses the CAA requirements for motor vehicle inspection and maintenance (I/M) programs (also referred to as "Smog Check" programs) for the 2015 8- hour ozone National Ambient Air Quality Standards ("2015 ozone NAAQS").

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2024/08/30/2024-19374/air-plan-revisions-california-motor-vehicle-inspection-and-maintenance-program)
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