G/TBT/N/THA/688  
27 October 2022  
(22-8094) 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) 430 6831 ext. 2130  
Fax: (662) 354 3041  
E-mail: thaitbt@ti si.mail.go.th  
Website: https://www.tisi.go.th  
3. Notified under Article 2.9.2 [X], 2.10.1 [  ], 5.6.2 [  ], 5.7.1 [  ], 3.2 [  ], 7.2 [  ], 
other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Transport 
exhaust emissions (ICS code(s): 13.040.50); Commercial vehicles (ICS code(s): 43.080)  
5. Title, number of pages and language(s) of the notified docume nt: Draft Ministerial 
Regulation on Heavy motor vehicle equipped with positive ignition engines fuelled with 
natural gas or liquefied petroleum gas: safety requirements; emission from engine, level 
3 (TIS 3043 –2563); (25 page(s), in Thai)  
6. Description o f content:  The draft Ministerial Regulation mandates engine vehicles to 
conform with the standard for Heavy motor vehicle equipped with positive ignition engines 
fuelled with natural gas or liquefied petroleum gas: safety requirements; emission from 
engine , level 3 (TIS 3043 –2563)  
1. This standard shall apply to motor vehicles of categories M1 M2 N1 and N2 with positive 
ignition engines fuelled with natural gas or liquefied petroleum gas and reference mass 
exceeding 2,610 kg and to all motor vehicles of cat agories M3 and N3  
2. This standard specifies safety requirements for pollutants, durability of pollution control 
devices and on -board diagnostic (OBD) system. The type approval of a completed vehicle 
given under this standard shall be extended to its incom plete vehicle with a reference 
mass below 2,610 kg. Type approvals shall be extended if the manufacturer can 
demonstrate that all bodywork combinations expected to be built onto the incomplete 
vehicle increase the reference mass of the vehicle to above 2,6 10 kg.  
3. The type approval of vehicle granted under this standard shall be extended to its 
variants and versions with a reference mass above 2,380 kg provided that it also meets 
the requirements relating to the measurement of greenhouse gas emissions and fuel 
consumption in accordance with UN Regulation No. 49 Revision 6 Annex 12 Appendix 1.  G/TBT/N/THA/688  
 
- 2 - 
 
  4. The following do not need to be approved according to this standard: light duty positive 
ignition engine vehicles: safety requirements; emission from engine, latest level 
enforcement.  
5. Equivalent approvals:  
The following do not need to be approved according to this standard, if they are part of 
light duty positive ignition engine vehicles: safety requirements; emission from engine, 
latest level enforcement:  
(1) Positive ignition engines fuelled with natural gas or liquefied petroleum gas to be 
mounted in vehicles of category N1.  
(2) Vehicles of category N1 fitted with positive ignition engines fuelled with natural gas 
or liquefied petroleum gas  
Equivalent appr oval as set out in paragraph 5. shall not be granted in the case of dual -
fuel engines and vehicles  
6. Technical regulations of this standard derived from UN Regulation No. 49 Revision 7.  
*Vehicles of categories M1 M2 M3 N1 N2 and N3 are as defined in TIS 2 390-2563 
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Protection of the environment  
8. Relevant documents:   
1. UN Regulation No.49 Rev.7 Uniform provisions concerning the measures to be taken 
against the emission of gaseous and particulate pollutants from compression -ignition 
engines and positive ignition engines for use in vehicles  
2. UN Regulation No.83 Rev.4 Uniform provisions concerning the approval of vehicles with 
regard to the emission of pollutants according to engine fuel requirements  
3. UN Regulation No.85 Rev.1 Uniform provisions concerning the approval of internal 
combustion engines or electric drive trains intended for the propulsion of motor vehicles 
of categories M and N with regard  to the measurement of net power and the maximum 
30 minutes power of electric drive trains  
3. ECE/TRANS/WP.29/GRPE/79  
4. TIS 2390 -2563 Classification and definition of power -driven vehicles and trailers  
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  1 January 2024  
10. Final date for comments:  60 days from notification  
11. Texts available from:  National enquiry point [ ] 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) 430 6831 ext. 2130  
Fax: (662) 354 3041  
E-mail: thaitbt@tisi.mail.go.th  
Website: https://www.tisi.go.th  
https://members.wto.org/crnattachments/2022/TBT/THA/22_7305_00_x.pdf