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UN Rule No. 1
Vehicle Inspections: Environmental Protection

Uniform provisions for periodical technical inspections of wheeled vehicles with regard to the protection of the environment

Requirements for inspections of medium and heavy passenger and commercial vehicles with regard primarily to exhaust and noise emissions.

The World Forum has agreed to consider expanding the scope of UN Rule No. 1 to include light vehicles.

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Revisions and Amendments

Related News and Information

27 Dec 2015 27 Dec 2015 | India: Emission standards likely for vehicles already on roads India India Uniform provisions for periodical technical inspections of wheeled vehicles with regard to the protection of the environment Requirements for inspections of medium and heavy passenger and commercial vehicles with regard primarily to exhaust and noise emissions. The World Forum has agreed to consider expanding the scope of UN Rule No. 1 to include light vehicles. Environmental Protection Vehicle Inspections: Environmental Protection UN Rule No. 1 Rule No. 1
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Development of the Regulation

Pending Changes to Rule No. 1

Latest Documents

14 Feb 2020
PTI Particle Number test procedure | PTI-17-08
10 Feb 2020
Follow-up research into the PN limit value and the measurement method for checking particulate filters with a particle number counter | PTI-17-05
10 Feb 2020
PTI: Particle Number Counter- Metrological controls and performance tests | PTI-17-04
See all 61 related documents

Latest Meeting Discussions

World Forum for the Harmonization of Vehicle Regulations | Session 176 | 12-16 Nov 2018
World Forum for the Harmonization of Vehicle Regulations | Session 175 | 18-22 Jun 2018
Periodical Technical Inspections | Session 10 | 7 Feb 2018
See more related meetings