# Montana Regulatory Program

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Interior Department; Surface Mining Reclamation and Enforcement Office |
| Type | Final rule |
| Action | Final rule; not approving, with one exception. |
| Published | 2026-08-21 |
| Effective | 2026-09-21 |
| Significant | No |
| CFR parts | 30 CFR 926 |
| Summary | The Office of Surface Mining Reclamation and Enforcement (OSM) is not approving, with one exception, an amendment to the Montana regulatory program under the Surface Mining Control and Reclamation Act of 1977 (SMCRA or the Act). The Montana legislature, specifically Montana House Bill 328, proposes to add a definition of affected drainage basin to the Montana Code Annotated (MCA). Additionally, House Bill 328 proposes changes to the Montana Code Annotated, pertaining to bond release application requirements. |
| Document number | 2026-17055 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/21/2026-17055/montana-regulatory-program). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.