G/TBT/N/USA/2013/Add.1  
 
16 August 2023  
(23-5545) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
NOTIFICATION  
Addendum  
The following communication , dated  16 August 2023, is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title:  Hazardous Materials: FAST Act Requirements for Real-Time Train Consist Information  
 
Reason for Addendum:  
[X] Comment period changed - date:  27 October 2023; 
https://www.govinfo.gov/content/pkg/FR -2023-08-15/html/2023 -17472.htm  
https://www.govinfo.gov/content/pkg/FR -2023-08-15/pdf/2023 -17472.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[ ] Notified measure withdrawn or revoked - date:  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:  AGENCY: Pipeline and Hazardous Materials Safety Administration (PHMSA), 
Department of Transportation (DOT)  
ACTION: Proposed rule; extension of comment period  
SUMMARY: On 27 June 2023, PHMSA published a notice of proposed rulemaking , titled "Hazardous 
Materials: FAST Act Requirements for Real -Time Train Consist Information (HM -263)," proposing 
amendments to the Hazardous Materials Regulations to require all railroads to generate in electronic 
form, maintain, and provide to first responders, emergency response officials, and law enforcement 
personn el, certain information regarding hazardous materials in rail transportation to enhance 
emergency response and investigative efforts. In response to a request for an extension of the 
comment period submitted by the American Short Line and Regional Railroad  Association (ASLRRA), 
PHMSA is extending the comment period for the HM -263 notice by an additional 60 days. Comments 
to the HM -263 notice will now be due by 27 October 2023.  
 
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/2013/Add.1  
 
- 2 - 
 
  DATES: Comments should be received on or before 27 October 2023. To the extent po ssible, PHMSA 
will consider late -filed comments.  
This proposed rule; extension of comment period and the notice of proposed rulemaking notified as 
G/TBT/N/USA/2013  are identified by Docket Number PHMSA -2016-0015. The Docket Folder is 
available on Regulations.gov at https://www.regulations.gov/docket/PHMSA -2016-0015/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  by or before 4pm Eastern 
Time on 27 October 2023. Comments received by the USA TBT Enquiry Point from WTO Members 
and their stakeholders 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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