. /.WORLD TRADE
ORGANIZATIONG/TBT/N/MEX/60
24 April 2003
(03-2189)
Committee on Technical Barriers to Trade Original:  Spanish
NOTIFICATION
The following notification is being circulated in accordance with Article 10.6.
1. Member to Agreement notifying:   MEXICO
If applicable, name of local government involved (Articles 3.2 and 7.2):
2. Agency responsible:   Ministry of the Economy
Name and address (including telephone and fax numbers and E-mail and Web site
addresses, if available) of  agency or authority designated to handle comments
regarding the notification shall be indicated if different from above:   General
Directorate of Standard s/Ministry of the Economy (DGN/SE) Enquiry Point.
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):  Inner tubes for
pneumatic tyres for motor vehicles and bicycles
5. Title, number of pages and language(s) of the notified document:  Draft Mexican
Official Standard PROY-NOM-121-SCFI-2002, R ubber Industry.  Inner Tubes for
Pneumatic Tyres for Motor Vehicles and Bicycles.  Safety Specifications and Test Methods(12 pages, in Spanish).
6. Description of content:   This draft Mexican Official Standard establishes the safety
specifications and test methods for inner tubes for pneumatic tyres, manufactured in Mexico
or abroad, to ensure that they do not constitute a risk to personal safety or property.  It also
establishes marking specifications for product identification (commercial information).
The Standard applies to inner tubes for pneumatic tyres for motorcars, vans, lorries,
buses, truck tractors, bicycles, motorcycles, motorized tricycles, quad bikes, trailers and
semi-trailers.
It does not apply to inner tubes for pneumatic tyres for aircraft, competition and
recreational vehicles or other vehicles not covered by paragraph 1.2.1., nor to inner tubes for
agricultural or industrial use, machinery or ea rthmovers, which must be identified by one of
the following:
- a rim diameter code of 24 or over;
- one of the following codes, permanently stamped thereon: NHS (not for highway
service), FARM, SL (service limited to agricultural usage), INDUSTRIAL, GRADER,IMPLEMENT, FORESTRY, EARTHMOVER, ML  (mining and logging tyres used in
intermittent highway service), SS (differentiates tyres for off-highway vehicles from
other tyres which use similar size designations, but may use different rim bead seatconfigurations), LOGGING or MINING;
- Valve codes TR-218A, TR-220A and type J.G/TBT/N/MEX/60
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7. Objective and rationale, including the na ture of urgent problems where applicable:
Establish quality specifications for inner tubes for pneumatic tyres, manufactured in
Mexico or abroad, to ensure that they do not constitute a risk to personal safety or property.
8. Relevant documents:  Diario Oficial de la Federación  (Official Journal) of 14 April 2003.
9. Proposed date of adoption:
Proposed date of entry into force: }60 days after publication in the OfficialJournal.
10. Final date for comments:   13 June 2003
11. Texts available from:  National enquiry point [  X ] or address, telephone and fax
numbers and E-mail and Web site addresses, if available, of other body:
Web site:  www.economia.gob.mx/?P=85 (Standards catalogue).
E-mail: cidgn@economia.gob.mx