# Guidance: Changes, Tests, and Experiments
> **Nuclear Regulatory Commission** · Regulatory guide; issuance. · Published 2020-09-28 · 85 FR 60691
## Document
- **Document number:** 2020-21299
- **Category:** other
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 85 FR 60691
- **CFR reference:** 10 CFR 72
- **Publication date:** 2020-09-28
- **Energy docket:** NRC-2020-0059
## Abstract

The U.S. Nuclear Regulatory Commission (NRC) is issuing Revision 1 to Regulatory Guide (RG) 3.72, "Guidance for Implementation of Changes, Tests, and Experiements." Revision 1 to RG 3.72 endorses Nuclear Energy Institute (NEI) 12-04, Revision 2. NEI 12-04, Revision 2, updates and revises previous guidance to incorporate operating experience and NRC's inspection findings. In addition, RG 3.72, Revision 1, changes the NRC's guidance on departures from a method of evaluation (MOE) and the NRC's approval of an MOE.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/09/28/2020-21299/guidance-changes-tests-and-experiments)
---
*AI Analytics · CC0 1.0*