# Reactor Vessel Material Surveillance Program
> **Nuclear Regulatory Commission** · Direct final rule; confirmation of effective date. · Published 2020-12-29 · Effective 2021-02-01 · 85 FR 85503
## Document
- **Document number:** 2020-28814
- **Category:** other
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 85 FR 85503
- **CFR reference:** 10 CFR 50
- **Publication date:** 2020-12-29
- **Effective date:** 2021-02-01
- **Energy docket:** NRC-2017-0151
## Abstract

The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of February 1, 2021, for the direct final rule that was published in the Federal Register on October 2, 2020. The direct final rule amends the NRC's reactor vessel material surveillance program requirements for commercial light-water reactors. The direct final rule revises the requirements associated with the testing of specimens contained within surveillance capsules and reporting the surveillance test results. The direct final rule also clarifies the requirements for the design of surveillance programs and the capsule withdrawal schedules for surveillance capsules in reactor vessels purchased after 1982.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/12/29/2020-28814/reactor-vessel-material-surveillance-program)
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