G/TBT/N/USA/2050  
25 September 2023  
(23-6369) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  UNITED STATES OF AMERICA  
If applicable, name of local government involved (Article 3.2 and 7.2):  State of 
Maryland  
2. Agency responsible:   
Department of the Environment, State of Maryland [2081]  
Name and address (including telephone and fax numbers , email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification s hall be indicated if different from above:   
Please submit comments to: USA WTO TBT Enquiry Point, Email: usatbtep@nist.gov  
3. Notified under Article 2.9.2 [  ], 2.10.1 [  ], 5.6.2 [  ], 5.7.1 [  ], 3.2 [X], 7.2 [  ], 
other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Vehicle 
emissions; Environmental protection (ICS code(s): 13.020); Transport exhaust emissions 
(ICS code(s): 13.040.50); Road vehicles in general (ICS code(s): 43.020)  
5. Title, number of pages and language(s) of the notified document:  Advanced Clean 
Trucks Program; (6 page(s), in English)  
6. Descripti on of content:  Proposed rule - The purpose of this action is to adopt 
regulations implementing California's Advanced Clean Trucks (ACT) regulation  under the 
Code of Maryland Regulations (COMAR) 26.11. 43. The regulations will be submitted to 
the U.S. Environmental Protection Agency (EPA) for approval as part of Maryland's State 
Implementation Plan (SIP) . 
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Protection of the environment  
8. Relevant documents:   
Maryland Register 8 September 2023, Volume 50, Issue 18, pages 785 -844: 
https://2019 -dsd.maryland.gov/MDRIssues/5018/Assembled.aspx  
The Maryland Department of the Environment will hold a virtual public hearing on the 
proposed action on 11 October 2023, at 10:00 a.m.  Eastern Time . 
Interested persons are invited to attend and express their views. Join the meeting from 
a computer, tablet or smartphone: https://meet.goto.com/966883773 . 
A Fact Sheet for the amendments to COMAR 26.11.43 is accessible at 
https://mde.maryland.gov/programs/regulations/air/Documents/BEPS/2023%20ACT%2
0Fact%20Sheet.pdf . G/TBT/N/USA/2050  
 
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  WTO Members and their  stakeholders are asked to submit comments to the USA TBT 
Enquiry Point  by or before 4pm Eastern Time  on 11 October 2023. Comments received 
by the USA TBT Enquiry Point from WTO Members and their stakeholders will be shared 
with the regulator if received within the comment period.  
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  To be determined  
10. Final date for comments:  11 October 2023  
11. Texts available from:  National enquiry point [ ] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
https://2019 -dsd.maryland.gov/MDRIssues/ 5018/Assembled.aspx#_Toc144896239  
https://members.wto.org/crnattachments/2023/TBT/USA/23_12582_00_e.pdf