# Air Plan Revisions; California; Technical Amendments
> **Rule** · Final rule; technical amendments. · Published 2023-04-21 · Effective 2023-04-21 · 88 FR 24491
## Document
- **Document number:** 2023-08439
- **Category:** other
- **Federal Register citation:** 88 FR 24491
- **CFR reference:** 40 CFR 52
- **Publication date:** 2023-04-21
- **Effective date:** 2023-04-21
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2023-0155
## Abstract

The Environmental Protection Agency (EPA) is making technical amendments to the Code of Federal Regulations (CFR) to properly codify negative declarations submitted by the State of California on behalf of local air agencies as revisions to the California State Implementation Plan (SIP). The regulatory text and materials affected by these format changes have all been previously submitted by the State of California and approved by the EPA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/04/21/2023-08439/air-plan-revisions-california-technical-amendments)
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