# Offshore Downhole Commingling Regulatory Updates
> **Bureau of Ocean Energy Management** · Direct final rule; response to comments. · Published 2026-03-02 · Effective 2026-03-02 · 91 FR 9998
## Document
- **Document number:** 2026-04135
- **Category:** offshore-energy
- **Sub-agency:** Bureau of Ocean Energy Management
- **Federal Register citation:** 91 FR 9998
- **CFR reference:** 30 CFR 250
- **Publication date:** 2026-03-02
- **Effective date:** 2026-03-02
- **Interior docket:** Docket ID: BSEE-2025-0134
## Abstract

The Department of the Interior (DOI or Department), through the Bureau of Safety and Environmental Enforcement (BSEE), is revising the Outer Continental Shelf (OCS) downhole commingling regulations consistent with the One Big Beautiful Bill Act (OBBB). These revisions update the regulations to ensure consistency with the OBBB when BSEE reviews a request for downhole commingling.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2026/03/02/2026-04135/offshore-downhole-commingling-regulatory-updates)
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