G/TBT/N/THA/626  
23 August 2021  
(21-6334) 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:  THAILAND   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:  Thai Industrial Standards Institute (TISI), Ministry of Industry  
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 shall be indicated  if different from above:   
WTO/TBT Enquiry Point and Notification Authority  
Thai Industrial Standards Institute (TISI), Ministry of Industry  
Tel.: (662) 202 3504, 202 3523  
Fax: (662) 202 3511, 354 3041  
E-mail: thaitbt@tisi.mail.go.th  
Website: http://www.tisi.go.th  
3. Notified under Article 2.9.2 [X], 2.10.1 [   ], 5.6.2 [   ], 5.7.1 [   ], other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Noise 
emitted by means of transport (ICS 17.140.30), Motorcycles and mopeds (ICS 43.140)  
5. Title, number of pages and language(s) of the notified document:  Draft Ministe rial 
Regulation on Motorcycle Exhaust Muffler (TIS 341 - 25XX(20XX)) (9 page(s), in Thai)  
6. Description of content:  The draft ministerial regulation mandates motorcycle exhaust 
muffler to conform with the standard for Motorcycle Exhaust Muffler (TIS 341 - 
25XX(20XX)).  
This draft standard covers only motorcycle exhaust muffler type L 3 L4 and L 5. It specifies 
general requirements, marking and labelling, sampling and criteria for conformity and 
testing.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Prevention of deceptive practices and consumer protection; Protection of 
human health or safety  
8. Relevant documents:   
• Notification of the Ministry of Natural Resources and Environment B.E. 2563 
(2020) Re: Setting up mot orcycle noise standard  
• TIS 285 Part 5 -2559 : Test methods for paints varnishes and related materials 
Part 5 : Determination of film thickness  
• TIS 285 Part 47 -2559 : Test methods for paints varnishes and related materials 
Part 47 : Cross -cut test  G/TBT/N/THA/626  
 
- 2 - 
 
  • TIS 340 - 2528 : Exhaust system for car, bus and truck  
• TIS 544 - 2528 : Electroplating: Nickel  
• TIS 2355 - 2560 : Noise emissions of motor cycles  
• TIS 2915 - 2561 : Safety requirements for motor cycle : Emission from engine 
level 7  
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  To be determined  
10. Final date for comments:  10 September 2021  
11. Texts available from:  National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
WTO/TBT Enquiry Point and Notification Authority  
Thai Industrial Standards Institute (TISI), Ministry of Industry  
Tel.: (662) 202 3504, 202 3523  
Fax: (66 2) 202 3511, 354 3041  
E-mail: thaitbt@tisi.mail.go.th  
Website: http://www.tisi.go.th  
https://members.wto.org/crnattachments/2021/TBT/THA/21_5302_00_x.pdf