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Motor Vehicle Emissions
Revision 4 | Amendment 20
This revision reproduces the following amendment(s):
06 series of amendments | Supplement 20 (10 Jan 2025)
UN R83: Proposal for Supplement 20 to the 06 series of amendments

Proposal for amendments to align UN R83 with provisions of UN R154 (WLTP).

Authentic and legally binding text WP.29/2024/48
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