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UN Regulation No. 139
Brake Assist Systems

Uniform provisions concerning the approval of passenger cars with regard to brake assist systems

Project to separate brake assist systems provisions from UN R13-H and into a new UN Regulation.

Download the Regulation

Revisions and Amendments
Series of Amendments and Supplements

Application of the Regulation

Contracting Parties applying UN R139

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Development of the Regulation

Pending Changes to UN R139

Latest Documents

11 Nov 2019
Correlations between some UN Regulations and UN Rules | PTI-16-02
19 Apr 2019
UN R139: Proposal for Supplement 2 | WP.29/2019/48
29 Jan 2019
UN R139: Agreed amendments to GRVA/2019/12 | GRVA-02-29
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Latest Meeting Discussions

World Forum for the Harmonization of Vehicle Regulations | Session 178 | 24-28 Jun 2019
Working Party on Automated and Connected Vehicles | Session 2 | 28 Jan-1 Feb 2019
Working Party on Automated and Connected Vehicles | Session 1 | 25-28 Sep 2018
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