G/TBT/N/USA/1974/Add.1  
 
4 May 2023  
(23-3135) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
NOTIFICATION  
Addendum  
The following communication , dated  4 May 2023, is being circulated at the request of the delegation 
of the United States of America . 
 
_______________  
 
 
Title:  American Society of Mechanical Engineers Code Cases and Update Frequency  
 
Reason for Addendum:  
[X] Comment period changed - date:  16 June 2023; 
https://www.govinfo.gov/content/pkg/FR -2023-05-03/html/2023 -09218.htm  
https://www.govinfo.gov/content/pkg/FR -2023-05-03/pdf/2023 -09218.pdf  
[ ] Notified measure adopted - date:  
[ ] Notified measure published - date:  
[ ] Notified measure enters into force - date:  
[ ] Text of final measure available from1:  
[ ] Notified measure withdrawn or revoked - date:  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 Code Cases and Update Frequency; 
Extension of Comment Period  
AGENCY: Nuclear Regulatory Commission  
ACTION: Proposed rule; extension of comment period  
SUMMARY: On 6 March 2023, the U.S. Nuclear Regulatory Commission (NRC) solicited comments 
on proposed amendments to its regulations to incorporate by re ference proposed revisions to three 
regulatory guides, which would approve new, revised, and reaffirmed code cases published by the 
American Society of Mechanical Engineers. In addition, the rulemaking proposed to extend the time 
periods required for licen sees to update their codes of record. The public comment period was 
originally scheduled to close on 5 May 2023. The NRC has decided to extend the public comment 
period by an additional 42 days to 16 June 2023, to allow more time for members of the public to 
develop and submit their comments.  
 
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/1974/Add.1  
 
- 2 - 
 
  DATES: The due date of comments requested in the document published on 6 March 2023 ( 88 FR 
13717 ) is extended. Comments should be fil ed no later than 16 June 2023. Comments received after 
this date will be considered, if it is practical to do so, but the Commission is able to ensure 
consideration only for comments received on or before this date.  
This proposed rule; extension of comment  period and the proposed rule notified as 
G/TBT/N/USA/1974  are identified by Docket Number NRC -2018-0291. The Docket Folder is available 
on Regulations.gov at https://www.regulations.gov/docket/NRC -2018-0291/document  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 . Comments received by 
the USA TBT Enquiry Po int from WTO Members and their stakeholders by 4pm Eastern Time  on 16 
June 2023 will be shared with the regulator and will also be submitted to the Docket  on 
Regulations.gov if received within the comment period.  
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