# Approval and Promulgation of Implementation Plans
> **Rule** · — · Published 2000-02-09 · 65 FR 6327
## Document
- **Document number:** 00-55502
- **Category:** other
- **Federal Register citation:** 65 FR 6327
- **CFR reference:** 40 CFR 52
- **Publication date:** 2000-02-09
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/02/09/00-55502/approval-and-promulgation-of-implementation-plans)
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