GRBP/2024/5
UNN R117: Proposal for Supplement 16 to the 02 series of amendments
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Proposal to introduce a new temperature correction formula for the rolling sound emissions of tyres of classes C1 and C2, to remove the content of the now obsolete Annex 4 as well as all its references, to update references to standards, and to make editorial improvements for clarity and consistency across tyre regulations.
24. Similarly, the expert of ETRTO submitted proposals for a new Supplement to the 02 series of amendments which introduced editorial corrections, a temperature correction to decrease measurement uncertainties and the new C3 reference test tyres (ECE/TRANS/WP.29/GRBP/2024/5, ECE/TRANS/WP.29/GRBP/2024/7, GRBP-79-23). The expert from Japan commented on the proposals (GRBP-79-09). GRBP adopted the proposals in ECE/TRANS/WP.29/GRBP/2024/5 and in ECE/TRANS/WP.29/GRBP/2024/7 as amended by GRBP-79-23 and requested the secretariat to submit them for consideration and vote at the June 2024 sessions of WP.29 and AC.1 as draft Supplement 16 to the 02 series of amendments to UN Regulation No. 117.