Rule lifecycle · DOCKET:NRC-2025-1205

Modernizing NRC Regulations for Byproduct Material Use

Nuclear Regulatory Commission — observed across 2 documents over 3 days. Use the source documents below before deciding whether this affects your business.

In plain English

The Nuclear Regulatory Commission is updating its rules about how radioactive materials created in nuclear work can be used and stored safely. If your business handles radioactive materials, watch for when the new rule takes effect and update your procedures to stay compliant.

First seen

May 18, 2026

Last seen

May 21, 2026

Latest stage

Proposed Rule

PRORULE → RULE

Effective on

Thursday, May 21, 2026

Stage timeline

  1. Proposed·May 18, 2026·91 FR 28916

    Modernizing NRC Regulations for Byproduct Material Use

    comments close Jul 2, 2026#2026-09877

  2. Proposed·May 21, 2026·91 FR 29922

    Modernizing NRC Regulations for Byproduct Material Use

    effective May 21, 2026#2026-10224