G/TBT/N/USA/571/Add.1  
 
 
5 January 2023  
(23-0157) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
 
NOTIFICATION  
Addendum  
The following communication , dated  4 January 2023, is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title:  Hazardous Materials: Harmonization With the United Nations Recommendations, International 
Maritime Dangerous Goods Code, and the International Civil Aviation Organization Technical 
Instructions for the Safe Transport of Dangerous Goods by Air  
 
Reason for Addendum:  
[ ] Comment period changed - date:   
[ ] Notified measure adopted - date:  
[X] Notified measure published - date: 27 December 2022  
[X] Notified measure enters into force - date: 26 January 2023  
[X] Text of final measure available from1:  
https://www.govinfo.gov/content/pkg/FR -2022-12-27/html/2022 -26960.htm  
https://www.govinfo.gov/content/pkg/FR -2022-12-27/pdf/2022 -26960.pdf  
https://members.wto.org/crnattachments/2023/TBT/USA/final_measure/23_0220_00_
e.pdf 
[ ] Notified measure withdrawn or revoked - date:  
Relevant sym bol 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: Hazardous Materials: Editorial Corrections and Clarifications  
AGENCY: Pipeline and Hazardous Materials Safety Administration (PHMSA), Department of 
Transportation (DOT)  
ACTION: Final rule  
SUMMARY: This final rule corrects editorial errors and improves the clarity of certain provisions in 
PHMSA's program and procedural regulations and in the Hazard ous Materials Regulations. The 
intended effect of this rulemaking is to enhance accuracy and reduce misunderstandings of the 
 
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/571/Add.1  
 
- 2 - 
 
  regulations. The amendments contained in this final rule are non -substantive changes and do not 
impose new requirements.  
This final  rule is effective 26 January 2023.  
This final rule is identified by Docket Number PHMSA -2021-0091. The Docket Folder is available on 
Regulations.gov at https://www.regulations.gov/docket/PHMSA -2021-0091/document  and provides 
access to primary documents as well as comments received. Documents are also accessible from 
Regulations.gov  by searching the Docket Number . 
The notice of proposed rulemaking notified as G/TBT/N/USA/571  is identified by Docket Number 
PHMSA -2009-0126. The Docket Folder is available on Regulations.gov at 
https://www.regulations.gov/docket/PHMSA -2009-0126/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.  
Hazardous Materials: Harmonization With the United Nations Recommendations, I nternational 
Maritime Dangerous Goods Code, and the International Civil Aviation Organization Technical 
Instructions for the Safe Transport of Dangerous Goods by Air; Final Rule  published 19 January 2011 
is identified by Docket Number PHMSA -2009-0126. 
__________