G/TBT/N/MEX/523  
26 June 2023 
(23-4349) Page: 1/3 
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 government involved (Articles 3.2 and 7.2):  
2. Agency responsible:  
Agencia de Seguridad, Energía y Ambiente , ASEA (Safety, Energy and Environment 
Agency)  
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 sh all be indicated if different from above:  
Agencia de Seguridad, Energía y Ambiente , ASEA (Safety, Energy and Environment 
Agency)  
Agencia Nacional de Seguridad Industrial y de Protección al Medio Ambiente del Sector 
Hidrocarburos  (National Agency for Indust rial Safety and Environmental Protection in the 
Hydrocarbon Sector)  
Secretaría de Medio Ambiente y Recursos Naturales  (Ministry of the Environment and 
Natural Resources)  
Comité Consultivo Nacional de Normalización de Seguridad Industrial y Operativa y 
Protección al Medio Ambiente del Sector Hidrocarburos  (National Advisory Committee on 
Standardization for Industrial and Operational Safety and Environmental Protection in the 
Hydrocarbon Sector)  
Boulevard Adolfo Ruiz Cortines No. 4209, Colonia Jardines en la Montaña, Alcaldía Tlalpan, 
Ciudad de México, C.P. 14210, Mexico, or by email: maria.gutierrez@asea.gob.mx  
3. Notified under Article 2.9.2 [X], 2.10.1 [ ], 5.6.2 [X], 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) : Extraction 
and processing of petroleum and natural gas (ICS code(s) : 75.020)  
The notified draft Mexican  Official Standard establishes the requirements and 
specifications for industrial safety, operational safety and environmental protection that 
must be met by liquefied petroleum gas distribution plants during the design, 
construction, operation and mainten ance stages, in order to promote, leverage and 
develop in a sustainable manner the activity of liquefied petroleum gas distribution 
through distribution plants, as well as to prevent harm to the population, the installations 
and the environment.  
5. Title,  number of pages and language(s) of the notified document : Proyecto de 
Norma Oficial Mexicana PROY -NOM-018-ASEA -2023, Plantas de Distribución de Gas 
Licuado de Petróleo (cancela y sustituye a la NOM -001-SESH -2014, Plantas de 
distribución de Gas L.P . Diseño, construcción y condiciones seguras en su operación)  
(Draft Mexican Official Standard PROY -NOM-018-ASEA -2023: "Liquefied petroleum gas G/TBT/N/MEX/523  
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  distribution plants (annuls and replaces NOM -001-SESH -2014: "LPG distribution plants . 
Design, construction and safety")") (52 pages, in Spanish)  
6. Description of content : The notified draft Mexican Official Standard establishes the 
requirements and specifications for industrial safety, operational safety and 
environmental protection that must be met by liquefied petroleum gas distribution plants 
during the design, construction, operation and maintenance stages, in order to promote, 
leverage and develop in a sustainable manner the activity of liquefied petroleum gas 
distribution through distribution plants, as well  as to prevent harm to the population, the 
installations and the environment.  
The notified draft Mexican Official Standard is applicable throughout Mexican territory and 
areas where the Nation exercises its sovereignty and jurisdiction and is binding on al l 
persons engaged in or intend to be engaged in the activity of liquefied petroleum gas 
distribution through distribution plants, during design, construction, operation and 
maintenance.  
The means of supply of liquefied petroleum gas covered by this draft M exican Official 
Standard for distribution plants are tanker cars, tanker vessels, overland pipelines, semi -
trailers and tanker trucks.  
The means of supply covered by this draft Mexican Official Standard ar e tanker trucks, 
by portable and/or transportable p ressure vessels in delivery vehicles and by distribution 
pipelines  
In those liquefied petroleum gas distribution plants where the petroleum product is 
received by pipeline, this draft Mexican Official Standard applies from the point of 
connection with the pipeline transport system or from the reception point for tanker 
vessels.  
In distribution plants where supply is through distribution pipelines, this draft Mexican 
Official Standard applies up to the block valve where the pipeline distribution system 
starts. 
Similarly, in liquefied petroleum gas distribution plants, where the storage vessel(s) is/are 
shared with a specific purpose service station, this draft Mexican Official Standard applies 
up to the point of connection, in these cases, the storage vessel(s) will form part of the 
liquefied petroleum gas distribution plants, notwithstanding the fact that the specific 
purpose service stations must comply with applicable regulations.  
The requirements for dry disconnection devices, referred to in numeral s 5.1.2.4, II ; 
5.1.2.5, V(c) ; 5.1.2.7, III ; 7.1.23.13, XI ; 7.1.23.16, IV ; 7.1.23.21, XI ; and 7.1.23.23 will 
only apply to the distribution plants located in the 74 metropolitan zones referred to in 
Appendix C (Normative) Delimitation of the metropolitan ar eas of Mexico.  
7. Objective and rationale, including the nature of urgent problems where 
applicable : Industrial safety  
Operational safety  
Protection of human health or safety ; Protection of the environment  
8. Relevant documents:  
The notified draft Mexican Official Standard is not equivalent (NEQ) to any national or 
international standard because at the time of drafting no such standard existed.  
9. Proposed date of adoption : To be determined  
Proposed date of entry into force : To be determined  
10. Final date for comments : 60 days from notification  G/TBT/N/MEX/523  
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  11. Texts available from : National enquiry point [ ] or address, telephone and fax 
numbers and email and website addresses, if available, of other body:  
Secretaría de Economía  (Ministry of the Economy ) 
Dirección General de Normas  (Directorate -General of Standards)  
Contact person : Diógenes Hernández Chávez  
Pachuca 189, Colonia Condesa,  
Demarcación territorial Cuauhtémoc,  
Ciudad de México, 06140  
Tel.: (+52 55) 5729 91 00, Ext. 13247 or 13217  
Email: diogenes.hernandez@economia.gob.mx  
https://www.dof.gob.mx/nota_detalle.php?codigo=5692419&fecha=16/06/2023  
https://members.wto.org/crnattachments/2023/TBT/MEX/23_10572_00_s.pdf