   
  
G/TBT/N/USA/1936/Add.1  
 
19 December 2023  
(23-8679) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
 
NOTIFICATION  
Addendum  
The following communication , dated  19 December 2023, is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title:  Significant New Use Rules on Certain Chemical Substances (22 -2.5e)  
 
Reason for Addendum:  
[ ] Comment period changed - date:   
[ ] Notified measure adopted - date:  
[X] Notified measure published - date: 18 December 2023  
[X] Notified measure enters into force - date: 16 February 2024  
[X] Text of final measure available from1:  
88 Federal Register (FR) 87346, Title 40 Code of Federal Regulations (CFR) Parts 9 and 
721: 
https://www.govinfo.gov/content/pkg/FR -2023-12-18/html/2023 -27653.htm  
https://www.govinfo.gov/content/pkg/FR -2023-12-18/pdf/2023 -27653.pdf  
https://members.wto.org/crnattachments/2023/TBT/USA/final_measure/23_14746_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[ ] Notified measure withdrawn or revoked - date:  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:  EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control 
Act (TSCA)  for certain chemical substances that w ere the subject of premanufacture notices (PMNs)  
and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons who 
intend to manufacture (defined by statute to include import) or process any of these chemical 
substances for an activity that is designated as a significant new  use by this rule to notify EPA at 
least 90 days before commencing that activity. The required notification initiates EPA's evaluation of 
the use, under the conditions of use for that chemical substance, within the applicable review period. 
Persons may not  commence manufacture or processing for the significant new use until they have 
 
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/1936/Add.1  
 
- 2 - 
 
  submitted a Significant New Use Notice (SNUN), and EPA has conducted a review of the notice, made 
an appropriate determination on the notice, and has taken such actions as are required by that 
determination.  
Title 40  Code of Federal Regulations (CFR) Parts 9 and 721 
This final rule and the proposed rule notified as G/TBT/N/USA/1936  are identified by Docket Number 
EPA-HQ-OPPT-2022-0462. The Docket Folder is available on Regulations.gov at 
https://www.regulations.gov/docket/EPA -HQ-OPPT-2022-0462/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.  
__________  
 
 