GRBP/2024/19
UN R124: Proposal for a Supplement

Proposal to clarify the text:

  • clarify Annex 4 and exclude aluminum-alloy and magnesium-alloy wheels under test (b)
  • clarify Annex 6 with regard to possible defects caused by the production process and not affecting the appearance of cracks during testing
  • recommend under Annex 6 to identify cracks occurred as a result of the test by using penetrating paints
  • clarify Annexes 7 and 8 with regard to air leakage.
UNECE server
Excerpts from session reports
GRBP | Session 79 | 6-9 Feb 2024

27. The expert from the Russian Federation proposed clarifying certain provisions (ECE/TRANS/WP.29/GRBP/2024/16). The proposal received comments from the experts of France, Germany, Netherlands and ETRTO (GRBP-79-20). In reply, the expert from the Russian Federation tabled a revised proposal (GRBP-79-32). The expert from Germany made a study reservation on GRBP-79-32. Finally, GRBP agreed to revert to this issue at the next session.

GRBP | Session 80 | 17-20 Sep 2024

30. The expert from the Russian Federation introduced a revised proposal that clarified certain provisions (ECE/TRANS/WP.29/GRBP/2024/19). GRBP adopted the proposal and requested the secretariat to submit it for consideration and vote at the March 2025 sessions of WP.29 and AC.1 as draft Supplement 4 to the 00 series of amendments to UN Regulation No. 124. During the adoption, the expert from the Netherlands reserved his position.