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UN Regulation No. 122
Heating Systems

Uniform Provisions Concerning the Approval of Vehicles of Categories M, N, and O with regard to their Heating Systems

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Revisions and Amendments
Series of Amendments and Supplements

Application of the Regulation

Contracting Parties applying UN R122

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Development of the Regulation

Pending Changes to UN R122

Latest Documents

28 Dec 2019
UN R122: Proposal for Supplement 6 | WP.29/2020/23
25 Jul 2019
UN R122: Proposal for Supplement 6 | GRSG/2019/29
28 Mar 2019
UN R122: Proposal for amendments | GRSG-116-22
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Latest Meeting Discussions

World Forum for the Harmonization of Vehicle Regulations | Session 180 | 9-13 Mar 2020
Working Party on General Safety | Session 117 | 8-11 Oct 2019
Working Party on General Safety | Session 116 | 8-12 Apr 2019
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