# Requirements for Preparation, Adoption, and Submittal of Implementation Plans
> **Rule** · — · Published 2008-05-22 · 73 FR 29691
## Document
- **Document number:** E8-11525
- **Category:** other
- **Federal Register citation:** 73 FR 29691
- **CFR reference:** 40 CFR 51
- **Publication date:** 2008-05-22
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/05/22/E8-11525/requirements-for-preparation-adoption-and-submittal-of-implementation-plans)
---
*AI Analytics · CC0 1.0*