G/TBT/N/MEX/300  
28 January 2016  
(16-0592)  Page: 1/2  
Committee on Technical Barriers to Trade  Original: Spanish  
 
  NOTIFICATION 
The following notification is being circulated in accordance with Article 10.6. 
 
1. Notifying Member: MEXICO 
If applicable, name of local governme nt involved (Articles 3.2 and 7.2):  
2. Agency responsible: Comisión Reguladora de Energía  (Energy Regulatory Commission) 
Name and address (including telephon e 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: Comisión 
Reguladora de Energía  (Energy Regulatory Commission) 
3. Notified under Article 2.9.2 [ ], 2. 10.1 [X], 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): Petroleum 
products (headings 27.01 to 2901.10) 
5. Title, number of pages and lang uage(s) of the notified document: Resolución por el 
que la Comisión reguladora de energía modifica la NOM-EM-005-CRE-2015, 
especificaciones de calidad de los petrolíferos y emite una nota aclaratoria  (Energy 
Regulatory Commission Resolution amending Mexican Official Standard NOM-EM-005-CRE-
2015, "Quality specifications for petroleum products", and issuing a clarification note) 
(3 pages, in Spanish) 
6. Description of content: The notified amendment to the Emergency Mexican Official 
Standard seeks to ensure an adequate supply of diesel by specifying a minimum cetane number of 40 for diesel from Mexico's main supply markets. 
On 30 October 2015, Mexican Official Standard NOM-EM-005-CRE-2015, "Quality 
specifications for petroleum products", which establishes the quality specifications to be met by petroleum products at each stage of the production and supply chain in national 
territory, was published in the Official Journa l. However, on 15 December 2015, Petróleos 
Mexicanos (Pemex) submitted to the Energy Regulatory Commission an application to amend Table 7, "Diesel specifications", in NOM-EM-005-CRE-2015, in order to establish a transitional regime for the cetane rating of im ported diesel and thus avoid supply problems 
in the country.  
7. Objective and rationale, including the nature of urgent problems where 
applicable: The notified Resolution amends Mexican Official Standard NOM-EM-005-CRE-
2015 so as to allow imports of automotive diesel with a minimum cetane number of 40. It aims to ensure an adequate and efficient supply of this fuel on the agreed terms and thus 
avoid a possible diesel shortage in Mexico with serious consequences for users.  G/TBT/N/MEX/300 
- 2 - 
  8. Relevant documents:  
 American Society for Testing and Materials (ASTM) Standard ASTM D 613 
 ASTM D 4737, D 976 
 ASTM D 4294 
 ASTM D 5453, D 2622, D 7039, D 7220 
9. Proposed date of adoption: - 
Proposed date of entry into force: The notified Resolution on the Emergency Mexican 
Official Standard will enter into force on the day following its publication in the Official 
Journal.  
10. Final date for comments: - 
11. Texts available from: National enquiry point [X] or address, telephone and fax 
numbers and email and website addresse s, if available, of other body:  
Secretaría de Economía 
Subsecretaría de Competitividad y Normatividad 
Dirección General de Normas 
Tel.: (+52) 55 5729 9100, Ext. 43244 Fax: (+52) 55 5520 9715 
Website: http://www.economia.gob.mx/comunidad- negocios/normalizacion/catalogo-
mexicano-de-normas  
Email: normasomc@economia.gob.mx  and/or sofia.pacheco@economia.gob.mx  
Text available online at: 
http://www.dof.gob.mx/nota_detalle.p hp?codigo=5423108&fecha=20/01/2016  
https://members.wto.org/crnattachments/2016/TBT/MEX/16_0290_00_s.pdf