# Natural Resource Damages for Hazardous Substances

**Action Urgency Score:** 55/100

| Field | Value |
|---|---|
| Agency | Interior Department; Office of the Secretary |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-07-13 |
| Effective | 2026-08-12 |
| Comments close | 2026-08-12 |
| Significant | Yes (EO 12866) |
| CFR parts | 43 CFR 11 |
| Summary | This final rule revises the simplified Type A procedures in the regulations for conducting natural resource damage assessments for hazardous substance releases. Additionally, this final rule includes several conforming changes and corrections intended to fix citations, provide for consistent use of terminology, and remove outdated or duplicative rule provisions and definitions. The Department of the Interior (Interior) is removing provisions that it believes are no longer applicable, clarifying other provisions by incorporating language that would implement existing Interior regulatory interpr |
| Document number | 2026-14052 |

## Why this score
- Significant rule under EO 12866.
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/07/13/2026-14052/natural-resource-damages-for-hazardous-substances). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.