G/TBT/N/MEX/420  
18 June 2018 
(18-3774) 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:  
Comité Consultivo Nacional de Normalización de la Secretaría de Economía  (National 
Advisory Committee on Standardization of the Ministry of the Economy) Av . Puente de 
Tecamachalco No. 6 Col. Lomas de  Tecamachalco, Sección Fuentes, Naucalpan de Juárez 
C.P. 53950, Estado de México Tel. : 57 29 91 00, Ext. 43274 and 43244, Fax 55 20 97 15 
or Email: juan.rivera@economia.gob.mx  and sofia.pacheco@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) : Meters for 
cold potable water and hot water Tariff heading : 902820  
5. Title, number of pages and language(s) of the notified document : Proyecto de 
Norma Oficial Mexicana PROY -NOM-012-1-SCFI-2017, Instrumentos de medición -
Medidores para agua potable fría y caliente -Parte 1 : Especificaciones (Draft Mexican 
Official Standard PROY -NOM-012-1-SCFI-2017, Measuring instruments - Meters for cold 
potable water and hot water - Part 1 : Specifications) (cancels Mexican Official Standar d 
NOM-012-SCFI-1994) (34 pages, in Spanish)  
6. Description of content : The notified draft Mexican Official Standard applies to water 
meters that operate mechanically, and to devices that operate electrically or electronically 
and mechanically, including electronic devices used to measure the volume of cold potable 
water and hot water.  
It also applies to complementary electronic devices . Complementary devices are optional.  
7. Objective and rationale, including the nature of urgent problems where 
applicabl e: The notified draft Mexican Official Standard specifies the metrological and 
technological requirements applicable to water meters for cold potable water and hot water 
flowing through a fully charged, closed conduit . These water meters incorporate device s 
which indicate the integrated volume.  
8. Relevant documents:  
 NOM-008-SCFI-2002 Sistema General de Unidades de Medida (Mexican Official 
Standard NOM -008-SCFI-2002: General system of units of measurement), 
published in the Official Journal on 2 7 November 2002; 
 NOM-001-CONAGUA -2011, "Sistemas de agua potable, toma domiciliaria y G/TBT/N/MEX/420  
- 2 - 
  alcantarillado sanitario -Hermeticidad -Especificaciones y métodos de prueba" 
(Mexican Official Standard NOM -001-CONAGUA -2011: "Drinking water systems, 
domestic service connections an d waste water systems - Watertightness - 
Specifications and testing methods"), published in the Mexican Official Journal on 
17 February 2 012; 
 ISO 4064 -2:2014 Water meters for cold potable water and hot water -Part 2 : Test 
methods (2014 -05-26); 
 ISO 4064 -3:2014 Water meters for cold potable water and hot water -Part 3 : Test 
report format (2014 -05-26); 
 ISO 4064 -4:2014 Water meters for cold potable water and hot water -Part 4 : Non-
metrological requirements not covered in ISO 4064 -1 (2014 -05-26); 
 ISO 4064 -5:2014 Water meters for cold potable water and hot water -Part 5 : 
Installation requirements (2014 -05-26). 
9. Proposed date of adoption : To be determined.  
Proposed date of entry into force : The notified Mexican Official Standard will enter into 
force 60 calendar d ays after publication as a final standard in the Official Journal.  
10. Final date for comments : 14 August 2 018 
11. Texts available from : National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available, of other body:  
Secretaría de Economía  (Ministry of the Economy)  
Subsecretaría de Competitividad y Normatividad (Under -Secretariat of Competitiveness 
and Standardization)  
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  / sofia.pacheco@economia.gob.mx  / 
jose.ramosr@economia.gob.mx  
 
Text available from:  
http://www.dof.gob.mx/nota_detalle.php?codigo=5526627&fecha=15/06/2018  
 
https://members.wto.org/crnattachments/2018/TBT/MEX/18_3077_00_s.pdf