G/TBT/N/MEX/473  
4 August  2020 
(20-5391) 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 government involved (Articles 3.2 and 7.2):  
2. Agency responsible : Secretaría de Economía  (Ministry of the Economy)  
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:  
CCONNSE ubicado en Calle Pachuca número 189, Colonia Condesa, Demarcación Territorial 
Cuauhtémoc, C.P. 06140, Ciudad de México, Mexico  
Tel.: (+52) 57 29 91 00, Ext. 13247  
Email: cesar.orozco@economia.gob .mx 
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) : Orifice-type 
positive displacement meters for natural gas or liquified petroleum gas (LPG)  
5. Title, number of pages and language(s) of the notified document : Proyecto de 
Norma Oficial Mexicana PROY -NOM-014-SCFI-2017, Medidores de desplazamiento positivo 
tipo diafragm a para gas natural o L.P. en estado gaseoso -Especificaciones, métodos de 
prueba y de verificación  (cancela al PROY -NOM-014-SCFI-2017 y cancelará a la NOM -014-
SCFI-1997)  (Draft Mexican Official Standard PROY -NOM-014-SCFI-2017: Orifice-type 
positive displacement meters for natural gas or LPG in gaseous state - Specifications, test 
and verification methods (cancelling draft Mexican Official Standard PROY -NOM-014-SCFI-
2017 and Mexican Official Standard NOM -014-SCFI-1997)) (18 pages, in Spa nish) 
6. Description of content : The notified Mexican Official Standard establishes the 
specifications and test and verification methods for orifice -type positive displacement 
meters for natural gas or LPG in gaseous state . It applies to instruments for m easuring 
natural gas and LPG in relation to air in normal conditions, with a maximum capacity of 10 
m3/h and a maximum decrease in pressure of 200 Pa.  
7. Objective and rationale, including the nature of urgent problems where 
applicable : Prevention of dece ptive practices and consumer protection ; Protection of 
human health or safety  G/TBT/N/MEX/473  
- 2 - 
  8. Relevant documents:  
• Mexican Official Standard NOM -008-SCFI-2002: Sistema General de Unidades 
Medida , published in the Official Journal on 2 7 November 2 002; 
• Mexican Standard NMX -Z-12/1-1987: Muestreo para la inspección por atributos - 
Parte 1 : Información general y aplicaciones  (cancelling Mexican Official Standards 
NOM-Z-12/1 1975 and NOM -Z-12/4-1977) . Notice of entry into force published in 
the Official Journal on 2 8 October 1 987; 
• Mexican Standard NMX -Z-12/2-1987: Muestreo para la inspección por atributos - 
Parte 2 : Métodos de muestreo, tablas y gráficas (cancelling Mexican Official 
Standards NOM -Z-12/2-1975 and NOM -Z-12/3-1975) . Notice of entry into force 
published in the Official Journal on 2 8 October 1 987; 
• Mexican Standard NMX -Z-12/3-1987: Muestreo para la inspección por atributos -
Parte 3 : Regla de cálculo para la determinación de planes de muestreo  (cancelling 
Mexican Official Standard NOM -Z-12/5-1980) . Notice of entry into force published 
in the Official Journal on 3 1 July 1 987; 
• Mexican Standard NMX -Z-055-IMNC -2009: Vocabulario Internacional de Metrología -
Conceptos fundamentales y generales, y términos asociados  (VIM) . Notice of entry 
into force published in the Official Journal on 2 4 December 2 009; 
•  Mexican Standard NMX -EC-17025 -IMNC -2018: Requisitos generales para la 
competencia de los laboratorios de ensayo y de calibración  (cancelling Mexican 
Standard NMX -EC-17025 -IMNC -2006) . Notice of entry into force pub lished in the 
Official Journal on 9 August 2 018. 
9. Proposed date of adoption : To be determined  
Proposed date of entry into force : To be determined  
10. Final date for comments : To be determined  
11. Texts available from : National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available, of other body:  
Dirección General de Normas (Directorate -General of Standards)  
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 ; cesar.orozco@economia.gob.mx ; 
tania.fosado@economia.gob.mx  
Text available at:  
https://www.dof.gob.mx/nota_detalle.php?codigo=5597313&fecha=27/07/2020  
https://membe rs.wto.org/crnattachments/2020/TBT/MEX/20_4708_00_s.pdf