# Extending the Duration of the AP1000 Design Certification
> **Nuclear Regulatory Commission** · Direct final rule and issuance of environmental assessment. · Published 2021-09-22 · Effective 2021-12-06 · 86 FR 52593
## Document
- **Document number:** 2021-20226
- **Category:** other
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 86 FR 52593
- **CFR reference:** 10 CFR 52
- **Publication date:** 2021-09-22
- **Effective date:** 2021-12-06
- **Energy docket:** NRC-2020-0269
## Abstract

The U.S. Nuclear Regulatory Commission (NRC) is amending its regulations to update the design to reflect changes provided by Westinghouse Electric Company LLC and to extend the duration of the AP1000 design certification for an additional 5 years. The NRC is also issuing an environmental assessment.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/09/22/2021-20226/extending-the-duration-of-the-ap1000-design-certification)
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