# List of Approved Fuel Storage Casks: NAC-UMS Revision 4, Confirmation of Effective Date
> **Nuclear Regulatory Commission** · Direct final rule: Confirmation of effective date. · Published 2005-09-22 · Effective 2005-10-11 · 70 FR 55513
## Document
- **Document number:** 05-18914
- **Category:** other
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 70 FR 55513
- **CFR reference:** 10 CFR 72
- **Publication date:** 2005-09-22
- **Effective date:** 2005-10-11
## Abstract

The Nuclear Regulatory Commission (NRC) is confirming the effective date of October 11, 2005, for the direct final rule that was published in the Federal Register on July 25, 2005 (70 FR 42485). This direct final rule amended the NRC's regulations to revise the NAC-UMS cask system listing to include Amendment No. 4 to Certificate of Compliance (CoC) No. 1015.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/09/22/05-18914/list-of-approved-fuel-storage-casks-nac-ums-revision-4-confirmation-of-effective-date)
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