# Approval and Promulgation of Air Quality Implementation Plans; Revised Format for Materials Being Incorporated by Reference for Wyoming
> **Rule** · Final rule; notice of administrative change. · Published 2006-11-02 · Effective 2006-11-02 · 71 FR 64460
## Document
- **Document number:** E6-18423
- **Category:** air-emissions
- **Federal Register citation:** 71 FR 64460
- **CFR reference:** 40 CFR 52
- **Publication date:** 2006-11-02
- **Effective date:** 2006-11-02
- **State:** WY
- **EPA docket:** R08-WY-2006-0001
## Abstract

EPA is revising the format of 40 CFR part 52 for materials submitted by the State of Wyoming that are incorporated by reference (IBR) into its State Implementation Plan (SIP). The regulations affected by this format change have all been previously submitted by Wyoming and approved by EPA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/11/02/E6-18423/approval-and-promulgation-of-air-quality-implementation-plans-revised-format-for-materials-being)
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