# Protection of Visibility: Amendments to Requirements for State Plans Rule

> **EPA** · Rulemaking · Modified 2026-01-06T15:42:28Z

## Docket
- **Docket ID:** EPA-HQ-OAR-2023-0262
- **Agency:** EPA
- **Type:** Rulemaking
- **Last modified:** 2026-01-06T15:42:28Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/EPA-HQ-OAR-2023-0262)
- [Public comments](https://www.regulations.gov/docket/EPA-HQ-OAR-2023-0262/comments)

---

*MORVS · CC0 1.0*