WTO notification · TBT
MexicoProposed measure, may since have been adopted
Draft Official Mexican Standard PROY-NOM-175-SEMARNAT-2026 Maximum permissible limits for the emission of pollutants into the atmosphere from the exhaust of new motorcycles equipped with an internal combustion gasoline engine.
Proyecto de Norma Oficial Mexicana PROY-NOM-175-SEMARNAT-2026 Límites máximos permisibles de emisión de contaminantes a la atmosfera, provenientes del escape de motocicletas nuevas equipadas con un motor de combustión interna a gasolina.
Mexico notified this proposed TBT measure to the WTO on 30 April 2026. The comment period closed on 29 June 2026.
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Source: WTO ePing (opens in a new tab). Summaries by Expodite, which is independent of the WTO.
Published here:
It is of mandatory observance throughout the national territory and establishes the maximum permissible limits for the emission of total hydrocarbons (THC), carbon monoxide (CO) and nitrogen oxides (NOx) from the exhaust of new motorcycles equipped with a gasoline internal combustion engine.
Es de observancia obligatoria, en todo el territorio nacional, y establece los límites máximos permisibles de emisión de hidrocarburos totales (HCT), monóxido de carbono (CO) y óxidos de nitrógeno (NOx), provenientes del escape de motocicletas nuevas equipadas con un motor de combustión a gasolina
The comment period closed on 29 June 2026. You can still raise concerns about the measure with your country's WTO TBT enquiry point, quoting the document symbol G/TBT/N/MEX/565; it can take them up with Mexico.
Find your country's enquiry point on WTO ePing (opens in a new tab)The notified draft text seeks to establish the maximum permissible limits for emissions of total hydrocarbons (THC), carbon monoxide (CO) and nitrogen oxides (NOx) from the exhaust pipes of new motorcycles equipped with a gasoline combustion engine, as well as the characteristics of on-board diagnostic systems integrated into new gasoline-powered motorcycles, in accordance with the certification of G/TBT/N/MEX/565- 2 - origin and the characteristics of the emission control system of new motorcycles equipped with a gasoline combustion engine.
Expodite writes its summary from the official record. The notification and the documents it notifies are on the WTO's own websites.
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Symbol: G/SPS/N/MEX/479Comments until 8 January 2027
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Symbol: G/TBT/N/MEX/589Comments until 3 January 2027
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Symbol: G/TBT/N/MEX/588
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Mexico notified this proposed SPS measure to the WTO on 22 October 2026. Comments are open until 21 December 2026.
Symbol: G/SPS/N/MEX/478Comments until 21 December 2026
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