# Testing Provisions for Air Emission Sources; Correction
> **Rule** · Final rule; correction. · Published 2023-04-20 · Effective 2023-05-30 · 88 FR 24339
## Document
- **Document number:** 2023-08178
- **Category:** other
- **Federal Register citation:** 88 FR 24339
- **CFR reference:** 40 CFR 63
- **Publication date:** 2023-04-20
- **Effective date:** 2023-05-30
- **EPA docket:** EPA-HQ-OAR-2020-0556
## Abstract

The Environmental Protection Agency (EPA) is correcting a final rule that was published in the Federal Register on March 29, 2023, that will be effective on May 30, 2023. The final rule corrected and updated regulations for source testing of emissions. This correction does not change any final action taken by the EPA on March 29, 2023.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/04/20/2023-08178/testing-provisions-for-air-emission-sources-correction)
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