# List of Approved Spent Fuel Storage Casks: NAC International, Inc. MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment No. 14 and Revisions to Amendment Nos. 0 Through 13
> **Nuclear Regulatory Commission** · Direct final rule; confirmation of effective date. · Published 2025-02-18 · Effective 2025-03-19 · 90 FR 9673
## Document
- **Document number:** 2025-02742
- **Category:** nuclear-waste
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 90 FR 9673
- **CFR reference:** 10 CFR 72
- **Publication date:** 2025-02-18
- **Effective date:** 2025-03-19
- **Energy docket:** NRC-2024-0180
## Abstract

The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of March 19, 2025, for the direct final rule that was published in the Federal Register on January 3, 2025. This direct final rule amended the NAC International, Inc. MAGNASTOR[supreg] Storage System listing within the "List of approved spent fuel storage casks" to include Amendment No. 14 and revisions to Amendment Nos. 0 through 13 to Certificate of Compliance No. 1031.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/02/18/2025-02742/list-of-approved-spent-fuel-storage-casks-nac-international-inc-magnastor-storage-system-certificate)
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