1 2 3 4 5 6 7 8 9 10
Document Title UN R172: Proposal for Supplement 1
Reference Number WP.29/2025/78
Date
10 Apr 2025
Summary Proposal to:
  1. Add new reference tyres C3 SRTTs 19.5 and 22.5 siped and related transitional provisions
  2. Simplify the wording of the requirements for professional off-road tyres
  3. Make editorial corrections where needed throughout the text.
Rulemaking Area(s) UN R172 Traction/snow retreaded tyres
Regulatory Impact
Original text | Supplement 1
Proposal Status Adopted by WP.29
Meeting(s)
Related Documents
GRBP/2025/17 UN R172: Proposal for Supplement 1 (superseded)
GRBP-81-27/Rev.2 UN R172: Proposal to supersede document GRBP/2025/17 (superseded)
Downloads
UNECE server .pdf format .docx format
GAR server .pdf format .docx format
Excerpts from session reports related to this document
WP.29 | Session 196 | 23-27 Jun