UN Regulation No. 171
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UN Regulation No. 172 →
Amendments Contracting Parties
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Entry into force as of: 26 Sep 2025
01 series of amendments was established by the adoption of the following proposals:
WP.29/2025/7   UN R171: Proposal for a 01 series of amendments
WP.29-195-05   UN R171: Proposal to amend document WP.29/2025/7