   
  
G/TBT/N/USA/1972/Add.1  
 
26 July 2023  
(23-5091) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
 
NOTIFICATION  
Addendum  
The following communication , dated  26 July 2023, is being circulated at the request of the delegation 
of the United States of America . 
 
_______________  
 
 
Title:  Draft Regulatory Guide: Criteria for Programmable Digital Devices in Safety -Related Systems 
of Nuclear Power Plants  
 
Reason for Addendum:  
[ ] Comment period changed - date:   
[ ] Notified measure adopted - date:  
[X] Notified measure published - date: 25 July 2023  
[X] Notified measure enters into force - date: 25 July 2023  
[X] Text of final measure available from1:  
https://www.govinfo.gov/content/pkg/FR -2023-07-25/html/2023 -15611.htm  
https://www.govinfo.gov/content/pkg/FR -2023-07-25/pdf/2023 -15611.pdf  
https://members.wto.org/crnattachments/2023/TBT/USA/final_measure/23_11293_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[ ] Notified measure withdrawn or revoked - date:  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: Regulatory Guide: Criteria for Programmable Digital Devices in Safety -Related 
Systems of Nuclear Power Plants  
AGENCY: Nuclear Regulatory Commission  
ACTION: Final guide; issuance  
SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is issuing Revision 4 to Regulatory Guide 
(RG), 1.1 52,, "Criteria for Programmable Digital Devices in Safety -Related Systems of Nuclear Power 
Plants." This RG describes an approach that is acceptable to the staff of the NRC to meet regulatory 
requirements for promoting high functional reliability, design qua lity, and a secure development and 
 
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/1972/Add.1  
 
- 2 - 
 
  operational environment (SDOE) for the use of programmable digital devices (PDDs) in the safety -
related systems of nuclear power generating stations.  
DATES: Revision 4 to RG 1.152 is available on 25 July 2023.  
This final guide; issuance and the proposed guide; request for comment notified as 
G/TBT/N/USA/1972  are identified by Docket Number NRC -2022-0143. T he Docket Folder is available 
on Regulations.gov at https://www.regulations.gov/docket/NRC -2022-0143/document  and provides 
access to primary and sup porting documents as well as comments received. Documents are also 
accessible from Regulations.gov  by searching the Docket Number.  
__________  
 
 