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WTO notification · TBT

United StatesUpdated: check whether it is now adopted or in force

Nuclear materials and equipment – United States

Official title

Incorporation by Reference of Institute of Electrical and Electronics Engineers Standard 603-2018

The United States issued an addendum on 28 January 2026 to the earlier TBT notification G/TBT/N/USA/2254. Addenda often report that a measure was adopted, changed, postponed or withdrawn. The measure was first notified on 22 December 2025. The comment period closed on 17 February 2026.

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Published here:

Updated here:

At a glance

Products

Environmental protection; Occupational safety. Industrial hygiene; Nuclear energy engineering

Notifying member
United States(United States of America)
Status
Updated: check whether it is now adopted or in force
Objectives
  • Protection of human health or safety
  • Protection of the environment
Area
TBT: Technical product rulesTechnical barriers to trade
Notification type
Regular notification
Document symbol
G/TBT/N/USA/2254Latest notice: G/TBT/N/USA/2254/Add.1
ICS classification
  • 27.120 Nuclear energy engineering

Key dates

Distributed by the WTO
Comment deadline
Closed on 17 February 2026
Proposed adoption
To be determined
Proposed entry into force
To be determined

How to comment

The comment period closed on 17 February 2026. You can still raise concerns about the measure with your country's WTO TBT enquiry point, quoting the document symbol G/TBT/N/USA/2254/Add.1; it can take them up with the United States.

Find your country's enquiry point on WTO ePing (opens in a new tab)

What the notification says

Latest notice (⁨G/TBT/N/USA/2254/Add.1⁩, 28 January 2026)

Incorporation by Reference of Institute of Electrical and Electronics Engineers Standard 603-2018

The U.S. Nuclear Regulatory Commission (NRC) plans to hold a public meeting to discuss the recently published proposed rule (notified as G/TBT/N/USA/2254) that proposes amending its regulations to incorporate by reference the Institute of Electrical and Electronics Engineers Standard (Std) 603-2018, ''IEEE Standard Criteria for Safety Systems for Nuclear Power Generating Stations,'' and the accompanying Draft Regulatory Guide (DG) DG-1251, Revision 1, ''Guidance for the Power, Instrumentation, and Control Portions of Safety Systems for Nuclear Power Plants.'' The NRC plans to hold the public meeting on 3 February 2026, during the 60-day public comment period. See section II, Public Meeting, of this document for more information on the meeting. 91 Federal Register (FR) 3393, 27 January 2026; Title 10 Code of Federal Regulations (CFR) Part 50: This public meeting notice and the proposed rule; draft guidance; request for comment notified as G/TBT/N/USA/2254 are identified by Docket Number NRC-2024-0045. The Docket Folder is available on Regulations.gov at and provides access to primary and supporting documents as well as comments received. Documents are also accessible from Regulations.gov by searching the Docket Number. WTO Members and their stakeholders are asked to submit comments to the USA TBT Enquiry Point by or before 4pm Eastern Time on 17 February 2026. Comments received by the USA TBT Enquiry Point from WTO Members and their stakeholders will be shared with NRC and…

Proposed rule and draft guidance; request for comment - The U.S. Nuclear Regulatory Commission (NRC) is proposing to amend its regulations to incorporate by reference the Institute of Electrical and Electronics Engineers (IEEE) Standard (Std) 603-2018, ''IEEE Standard Criteria for Safety Systems for Nuclear Power Generating Stations.'' The IEEE Std 603-2018 is the most recent version of IEEE Std 603 that addresses the power, instrumentation, and control safety systems for nuclear power reactors. This amendment also incorporates editorial changes that do not change the technical information. The NRC plans to hold a public meeting to promote full understanding of the proposed rule and facilitate public comments.

Notices on this measure

Every notice about this measure published here, newest first. Each one is the notifying member's own text.

  1. AddendumG/TBT/N/USA/2254/Add.1

    Incorporation by Reference of Institute of Electrical and Electronics Engineers Standard 603-2018

    The U.S. Nuclear Regulatory Commission (NRC) plans to hold a public meeting to discuss the recently published proposed rule (notified as G/TBT/N/USA/2254) that proposes amending its regulations to incorporate by reference the Institute of Electrical and Electronics Engineers Standard (Std) 603-2018, ''IEEE Standard Criteria for Safety Systems for Nuclear Power Generating Stations,'' and the accompanying Draft Regulatory Guide (DG) DG-1251, Revision 1, ''Guidance for the Power, Instrumentation, and Control Portions of Safety Systems for Nuclear Power Plants.'' The NRC plans to hold the public meeting on 3 February 2026, during the 60-day public comment period. See section II, Public Meeting, of this document for more information on the meeting. 91 Federal Register (FR) 3393, 27 January 2026; Title 10 Code of Federal Regulations (CFR) Part 50: This public meeting notice and the proposed rule; draft guidance; request for comment notified as G/TBT/N/USA/2254 are identified by Docket Number NRC-2024-0045. The Docket Folder is available on Regulations.gov at and provides access to primary and supporting documents as well as comments received. Documents are also accessible from Regulations.gov by searching the Docket Number. WTO Members and their stakeholders are asked to submit comments to the USA TBT Enquiry Point by or before 4pm Eastern Time on 17 February 2026. Comments received by the USA TBT Enquiry Point from WTO Members and their stakeholders will be shared with NRC and…

  2. Regular notificationG/TBT/N/USA/2254

    Comment deadline: Closed on 17 February 2026

    Incorporation by Reference of Institute of Electrical and Electronics Engineers Standard 603-2018

    Proposed rule and draft guidance; request for comment - The U.S. Nuclear Regulatory Commission (NRC) is proposing to amend its regulations to incorporate by reference the Institute of Electrical and Electronics Engineers (IEEE) Standard (Std) 603-2018, ''IEEE Standard Criteria for Safety Systems for Nuclear Power Generating Stations.'' The IEEE Std 603-2018 is the most recent version of IEEE Std 603 that addresses the power, instrumentation, and control safety systems for nuclear power reactors. This amendment also incorporates editorial changes that do not change the technical information. The NRC plans to hold a public meeting to promote full understanding of the proposed rule and facilitate public comments.

Sources

Expodite writes its summary from the official record. The notification and the documents it notifies are on the WTO's own websites.

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