UN R131 | Amendment 1 (2014)
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Amendment 1 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2011/93. This document incorporates the following change:
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01 series of amendments (entry into force: 26 Jan 2014)
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Adopted proposal WP.29/2011/93
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This proposal was adopted with amendments at the 156th World Forum/WP.29 session.
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UN R131 | Revision 1 (2014)
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Revision 1 has been prepared purely as documentation tool. The authentic and legally binding texts are WP.29/2013/60 and WP.29/2011/93. This document incorporates the following changes:
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01 series of amendments (entry into force: 26 Jan 2014)
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Adopted proposal WP.29/2011/93
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This proposal was adopted with amendments at the 156th World Forum/WP.29 session.
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01 series of amendments | Supplement 1 (entry into force: 13 Feb 2014)
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Adopted proposal WP.29/2013/60
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Text as adopted by the Working Party on Brakes and Running Gear (GRRF) at its 74th session to amend the AEBS regulation, including provisions for M2 and N2 ≤ 8 tonnes vehicles.
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UN R131 | Revision 1 | Amendment 2 (2023)
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Revision 1 | Amendment 2 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2022/76. This document incorporates the following change:
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02 series of amendments (entry into force: 4 Jan 2023)
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Adopted proposal WP.29/2022/76
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Proposal from GRVA to adapt the performance requirements in UN R131 to the current state of the art.
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UN R131 | Revision 1 | Amendment 3 (2023)
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Revision 1 | Amendment 3 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2023/11. This document incorporates the following change:
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01 series of amendments | Supplement 3 (entry into force: 24 Sep 2023)
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Adopted proposal WP.29/2023/11
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Proposal to increase the potential speed reduction during the collision warning phase and clarify the interpretation of “engine start/run cycle”.
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UN R131 | Revision 2 (not published)
UN R131 | Revision 2 | Amendment 1 (2023)
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Revision 2 | Amendment 1 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2023/12. This document incorporates the following change:
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02 series of amendments | Supplement 1 (entry into force: 24 Sep 2023)
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Adopted proposal WP.29/2023/12
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Proposal to align provisions with corresponding provisions of UN R152 and to clarify the interpretation of the provisions on system robustness when applied to heavy duty vehicles.
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UN R131 (2013)
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UN R131 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2011/92. This document incorporates the following change:
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Original text (entry into force: 9 Jul 2013)
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Adopted proposal WP.29/2011/92
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This proposal was adopted with amendments at the 156th World Forum/WP.29 session.
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UN R131 | Revision 1 | Amendment 1 (2016)
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Revision 1 | Amendment 1 has been prepared purely as documentation tool. The authentic and legally binding text is WP.29/2016/7. This document incorporates the following change:
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01 series of amendments | Supplement 2 (entry into force: 8 Oct 2016)
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Adopted proposal WP.29/2016/7
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Proposal to amend the Introduction of the regulation to highlight technical issues related to the installation of AEBS on some specific vehicles included in the scope of the regulation.
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