G/TBT/N/MEX/354  
2 March  2017 
(17-1263) 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 t he 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 Naci onal de Normalización de la Secretaría de Economía , CCONNSE 
(National Advisory Committee on Standardization of the Ministry of the Economy)  
Av. Puente de Tecamachalco Núm. 6  
Col. Lomas de Tecamachalco, Sección Fuentes  
Naucalpan de Juárez, C.P. 53950  
Estado  de México  
Tel.: 57 29 91 00, Ext. 43251 or 43274  
Fax: 55 20 97 15  
Email: juan.rivera@economia.gob.mx , sofia.pacheco@economia.gob.mx  and 
jesus.lucatero@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 prov ided in addition, where applicable) : Watt-hour 
meters  
5. Title, number of pages and language(s) of the notified document : PROY-NOM-044-
SCFI-2016 Instrumentos de medición - Watthorímetros electromecánicos - Verificación en 
campo (Draft Mexican Official Sta ndard PROY -NOM-044-SCFI-2016: Measuring instruments 
- Electromechanical watt -hour meters - Verification in the field) (will cancel Mexican Official 
Standard NOM -044-SCFI-2008: Electromechanical watt -hour meters - Definitions, 
characteristics and test metho ds, published in the Official Journal on 1 3 January 2 009) (23 
pages, in Spanish)  
6. Description of content : The notified draft Mexican Official Standard establishes the test 
methods for the field verification of the metrological requirements governing sel f-contained 
electromechanical watt -hour meters and the integrity of the electrical installation.  
7. Objective and rationale, including the nature of urgent problems where 
applicable : The notified draft text covers self -contained electromechanical watt -hour 
meter s used to measure electricity consumption for billing and other purposes, and the  
relevant installation s, including line connection s, socket s and main switch es. G/TBT/N/MEX/354  
- 2 - 
  8. Relevant documents:  
 Mexican Official Standard NOM -008-SESH/SCFI -2010 
 Mexican Officia l Standard NOM -001-SEDE -2012: Instalaciones Eléctricas (utilización ) 
(Electrical installations (use)), published in the Official Journal on 2 9 November 
2012. 
 Mexican Official Standard NOM -008-SCFI-2002: Sistema General de Unidades de 
Medida  (General system  of units of measurement), published in the Official Journal 
on 27 November 2 002. 
 Mexican Standard NMX -CH-140-IMNC -2002: Guía para la expresión de 
incertidumbre en las mediciones (Guide to the expression of uncertainty in 
measurement) (cancels Mexican Stan dard NMX -CH-140-1996-IMNC) . Notice of entry 
into force published on 1 7 February 2 003. 
 Mexican Standard NMX -EC-17025 -IMNC -2006: Requisitos generales para la 
competencia de los laboratorios de ensayo y de calibración (General requirements 
for the competence of testing and calibration laboratories) (cancels Mexican 
Standard NMX -EC-17025 -IMNC -2000) . Notice of entry into force published in the 
Official Journal on 2 4 July 2 006; and Mexican Standard NMX -EC-17020 -IMNC -2014: 
Evaluación de la conformidad - Requisitos  para el funcionamiento de diferentes tipos 
de unidades (organismos) que realizan la verificación (inspección)  (Conformity 
assessment - Requirements for the operation of various types of units (bodies) 
performing verification (inspection)) (cancels Mexican  Standard NMX -EC-17020 -
IMNC -2000) . Notice of entry into force published in the Official Journal on 6 June 
2014. 
 Mexican Standard NMX -EC-17020 -IM - NC 
9. Proposed date of adoption : The notified draft Mexican Official Standard will be adopted 
upon its publi cation in the Official Journal as a final Mexican Official Standard.  
Proposed date of entry into force : The notified draft Mexican Official Standard will enter 
into force 60 calendar days after its publication in the Official Journal as a final standard.  
10. Final date for comments : 60 calendar days after publication in the Official Journal.  
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  (General Directorate of Standards)  
Tel.: (+52) 55 5729 9100, Ext. 43244  
Fax: (+52) 55 5520 9715  
Website: http://www.economia -noms.gob.mx/?P=144  
Email: normasomc@economia.gob.mx  and/or sofia.pacheco@economia.gob.mx  
Text available online at: 
http://www.dof.gob.mx/nota_detalle.php?codigo=5471305&fecha=09/02/2017  
https://members.wto.org/crnattachments/2017/TBT/MEX/17_0797_00_s.pdf