. /.   WORLD TRADE  
ORGANIZATION  G/TBT/N/MEX/186/Add.2 
20 January 2011 
 (11-0335) 
Committee on Technical Barriers to Trade Original:   Spanish 
  
 
NOTIFICATION 
 
Addendum
 
  
 The following communication, dated 11 January 2 011, is being circulated at the request of the 
delegation of Mexico
. 
 
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Transportable liquefied petroleum gas (LPG) contai ners.  Manufacturing and materials specifications 
and test methods  
  On 21 December 2010, the Mexican Ministry of Energy published in the Official Journal (Diario Oficial de la Federación ) (http://www.dof.gob.mx/
) Mexican Official Standard 
NOM-008-SESH/SCFI-2010:  "Transportable liquefi ed petroleum gas (LPG) containers.  
Manufacturing and materials specifications and test methods".   The notified Mexican Official Standard  NOM-008-SESH/SCFI-2010 will enter into force 
sixty calendar days after its publication in the Official Journal. 
 
 Until such time as Mexican Official Standard NOM-011/1-SEDG-1999:  "Safety standards for portable LPG containers in use" is update d or replaced or establishes safety requirements 
applicable to Class II and III containers, it will only a pply to Class I transportable containers, with the 
exception of the marking requirements laid down in  Section 6.  The notified Mexican Official 
Standard should be referred to in  relation to marking specifications. 
  Until such time as Mexican Official Standard NOM-011/1-SEDG-1999 is updated or replaced, the maximum useful life of Class I LPG containers is as provided for in Section 6.8 of the notified Mexican Official Standard.  
 Upon its entry into force, the notified Mexican Official Standard NOM-008-SESH/SCFI-2010 
annuls and replaces Mexican Official Standard NOM-011-SEDG-1999:  "Portable containers for 
liquefied petroleum gas not exposed to heating by artificial means.  Manufacture" and Mexican 
Official Standard NOM-016-SEDG-2003:  "Valves used in portable liquefied petroleum gas (LPG) containers - Specifications and test methods". 
 
 Product certificates issued pursuant to Mexican Official Standards NOM-011-SEDG-1999 and NOM-016-SEDG-2003 prior to the date of en try into force of NOM-008-SESH/SCFI-2010 will 
remain valid until their expiry date.  The valid ity of such certificates may not exceed the periods 
stipulated in Article 7 of the conformity assessment procedure for NOM-011-SEDG-1999 and Article 6 of the conformity assessment procedure for NOM-016-SEDG-2003. 
 G/TBT/N/MEX/186/Add.2 
Page 2  
 
   Transportable LPG containers which are located  in national territory and were manufactured 
prior to the date of entry into force of NOM-008-SESH/SCFI-2010 and containers manufactured 
during the period of validity referred to in the pr eceding paragraph may continue to be marketed 
and/or used for LPG distribution, provided that they  are in compliance with either Mexican Official 
Standard NOM-011-SEDG-1999 or Emergency Mexican Official Standard 
NOM-EM-011/2-SESH-2008:  "Non-metallic  containers for liquefied petroleum gas.  Specifications 
and testing methods", as applicable.  The containers are also required to meet the safety requirements 
laid down in Mexican Official Standard NOM -011/1-SEDG-1999 or any Standard replacing it. 
  The provisions of this paragraph are wit hout prejudice to those of paragraph 3. 
 
 Service valves which comply with Mexican Official Standard NOM-016-SEDG-2003 and were manufactured prior to the date of entry into force of NOM-008-SESH/SCFI-2010 may continue 
to be marketed and/or used in transportable c ontainers for LPG distribution, provided that they 
comply with the provisions of paragraph 6. 
 
Any comments should be addressed to:   Secretaría de Economía  Subsecretaría de Competitividad y Normatividad  Dirección General de Normas 
 
 Tel.: (+52) 55 5729-9100, Ext. 43217  Fax: (+52) 55 5520-9715  Website: http://www.economia.gob.mx/swb/es/ec onomia/p_Catalogo_Mexicano_Normas
  
 E-mail:  normasomc@economia.gob.mx  and jesus.figueroa@economia.gob.mx  
 
 Text available online at  http://dof.gob.mx/index.php? year=2010&month=12&day=21
 
 and http://members.wto.org/crnattachments/2011/tbt/MEX/11_0077_00_s.pdf  
 
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