   
  
G/TBT/N/USA/1707/Add.1  
 
28 October 2022  
(22-8106) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
 
NOTIFICATION  
Addendum  
The following communication , dated  27 October 2022, is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title:  American Society of Mechanical Engineers 2019-2020 Code Editions  
 
Reason for Addendum:  
[ ] Comment period changed - date:   
[ ] Notified measure adopted - date:  
[X] Notified measure published - date: 27 October 2022  
[X] Notified measure enters into force - date: 28 November 2022  
[X] Text of final measure available from1:  
https://www.govinfo.gov/content/pkg/FR -2022-10-27/htm l/2022 -23226.htm  
https://www.govinfo.gov/content/pkg/FR -2022-10-27/pdf/2022 -23226.pdf  
https://members.wto.org/crnattachments/2022/TBT/USA/final_measure/22_7310_00_
e.pdf 
[ ] Notified measure withdrawn or revoked - date:  
Relevant symbol if measure re -notified:   
[ ] Content or scope of notified measure changed  and text available from1:  
New deadline for comments (if applicable):   
[ ] Interpretive guidance issued and text available from1:  
[ ] Other:  
 
Description:  TITLE: American Society of Mechanical Engineers 2019 -2020 Code Editions  
AGENCY: Nuclear Regulatory Commission  
ACTION: Final rule  
SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is amending its regulations to 
incorporate by reference the 2019 Edition of the American Society of Mechanical Engineers Boiler 
and Pressure Vessel Code, Section III, Divis ion 1, and Section XI, Division 1, and the 2020 Edition 
of the American Society of Mechanical Engineers Operation and Maintenance of Nuclear Power Plants, 
Division 1: OM Code: Section IST, for nuclear power plants. The NRC is also incorporating by 
referenc e the American Society of Mechanical Engineers OM Code Case OMN -28, "Alternative Valve 
Position Verification Approach to Satisfy ISTC -3700 for Valves Not Susceptible to Stem -Disk 
 
1 This information can be provided by including a website address, a pdf attachment, or other 
information on where the text of the final /modified  measure and/or interpretive guidance can be obtained.  G/TBT/N/USA/1707/Add.1  
 
- 2 - 
 
  Separation''; the 2011 Addenda to ASME NQA -1-2008, "Quality Assurance Require ments for Nuclear 
Facility Applications'' (ASME NQA -1b-2011); and the 2012 and 2015 Editions of ASME NQA -1, 
"Quality Assurance Requirements for Nuclear Facility Applications.'' This action is in accordance with 
the NRC's policy to periodically update the r egulations to incorporate by reference new editions of 
the American Society of Mechanical Engineers Codes and is intended to maintain the safety of nuclear 
power plants and to make NRC activities more effective and efficient.  
DATES: This final rule is effe ctive on 28 November 2022. The incorporation by reference of certain 
publications listed in the regulation is approved by the Director of the Federal Register as of 28 
November 2022.  
This final rule and previous actions notified under the symbol G/TBT/N/USA/1707  are identified by 
docket number NRC -2018-0290. The Docket Folder is available on Regulations.gov  at 
https://www.regulations.gov/docket/NRC -2018-0290/document , and provides access to primary 
documents as well as comments received. Documents are also accessible from Regulations.gov  by 
searching the docket number.  
__________  
 
 