# Advanced Boiling Water Reactor (ABWR) Design Certification Renewal
> **Nuclear Regulatory Commission** · Direct final rule; confirmation of effective date. · Published 2021-08-12 · Effective 2021-09-29 · 86 FR 44262
## Document
- **Document number:** 2021-17115
- **Category:** nuclear-safety
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 86 FR 44262
- **CFR reference:** 10 CFR 52
- **Publication date:** 2021-08-12
- **Effective date:** 2021-09-29
- **Energy docket:** NRC-2017-0090
## Abstract

The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of September 29, 2021, for the direct final rule that was published in the Federal Register on July 1, 2021. This direct final rule amended NRC's regulations to certify the U.S. Advanced Boiling Water Reactor standard design so that applicants intending to construct and operate an U.S. Advanced Boiling Water Reactor standard design may do so by referencing the design certification rule.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/08/12/2021-17115/advanced-boiling-water-reactor-abwr-design-certification-renewal)
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