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UN Regulation No. 103
Replacement Catalytic Converters

Uniform Provisions Concerning the Approval of Replacement Catalytic Converters for Power-driven Vehicles

Download the Regulation

Revisions and Amendments
Series of Amendments and Supplements

Application of the Regulation

Contracting Parties applying UN R103

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Development of the Regulation

No changes to this regulation are pending.

Latest Documents

20 Jan 2020
Work by GRPE – Priorities and recurrent items | GRPE-80-05/Rev.1
17 Jan 2020
GRPE priority emission items list | GRPE-80-04/Rev.3
8 Jun 2015
Letter of transmission for the final BASt report on replacement catalytic converters | GRPE-71-09
See all 13 related documents

Latest Meeting Discussions

Working Party on Pollution and Energy | Session 81 | 9-12 Jun 2020
Working Party on Pollution and Energy | Session 80 | 14-17 Jan 2020
Working Party on Pollution and Energy | Session 78 | 7-11 Jan 2019
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