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Final ruleTook effect Sept. 14, 2026

List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 through 16

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Aug. 12, 2026. Document 2026-16398. Updated Nov. 7, 2026.

What it does

The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of September 14, 2026, for the direct final rule that was published in the Federal Register on July 1, 2026. This direct final rule amended the NAC MAGNASTOR System listing within the "List of approved spent fuel storage casks" to include Amendment Nos. 16 and 17 and revisions to Amendment Nos. 0 through 16 to Certificate of Compliance No. 1031.

The Nuclear Regulatory Commission's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 10 of the Code of Federal Regulations:

10 CFR 72

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Nuclear Regulatory Commission has published 34 final rules in 2026 so far, compared with 28 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

The effective date of September 14, 2026, for the direct final rule published July 1, 2026 (91 FR 39843), is confirmed.

The agency's dates, word for word.

Document number2026-16398
ActionDirect final rule; confirmation of effective date.
AgenciesNuclear Regulatory Commission
PublishedAug. 12, 2026
Effective dateSept. 14, 2026
Regulation identifier (RIN)3150-AL68
DocketNRC-2026-2047

Source: the Federal Register (public domain). The document in the Federal Register