# Codes and Standards; IEEE National Consensus Standard
> **Nuclear Regulatory Commission** · Direct final rule. · Published 1997-10-17 · Effective 1998-01-01 · 62 FR 53932
## Document
- **Document number:** 97-27421
- **Category:** other
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 62 FR 53932
- **CFR reference:** 10 CFR 50
- **Publication date:** 1997-10-17
- **Effective date:** 1998-01-01
## Abstract

The Nuclear Regulatory Commission is amending its regulations to incorporate by reference IEEE Std. 603-1991, a national consensus standard for power, instrumentation, and control portions of safety systems in nuclear power plants. This action is necessary to endorse the latest version of this national consensus standard in NRC's regulations, and replace an IEEE standard currently endorsed in the NRC's regulations which has been withdrawn by the IEEE.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/10/17/97-27421/codes-and-standards-ieee-national-consensus-standard)
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