GRBP-74-26
UN R141: Proposal for Supplement 3 to the 01 series of amendments
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TF TPMSTI implements the requirements for a Tyre Pressure Refill System (TPRS) and a Central Tyre Inflation System (CTIS)
19. GRBP took note of the activities of the Task Force on Tyre Pressure Monitoring System and on Tyre Installation (TF TPMSTI) (GRBP-73-13) and addressed amendment proposals on the requirements for the communication interface between the towing and towed vehicles that had been prepared by TF TPMSTI (ECE/TRANS/WP.29/GRBP/2021/6 and GRBP-73-03).
20. GRBP adopted the proposals and requested the secretariat to include them in a revised document ECE/TRANS/WP.29/2021/10/Rev.1 for consideration and vote at the March 2021 sessions of WP.29 and AC.1 as part of a draft new 01 series of amendments to UN Regulation No. 141.
25. The experts from the Task Force on Tyre Pressure Monitoring System and on Tyre Installation (TF TPMSTI) reported on their progress (GRBP-75-11) and introduced a proposal that aimed at implementing the requirements for a Tyre Pressure Refill System (TPRS) and a Central Tyre Inflation System (CTIS) (ECE/TRANS/WP.29/GRBP/2022/2 and GRBP-75-10). The expert from CLEPA suggested further amendments (GRBP-75-33 and GRBP-75-34).
26. GRBP adopted the proposal, as amended by GRBP-75-10 and GRBP-75-33, and requested the secretariat to submit it for consideration and vote at the June 2022 sessions of WP.29 and AC.1 as draft Supplement 2 to the 01 series of amendments to UN Regulation No. 141.
27. GRBP generally supported GRBP-74-26 and invited TF TPMSTI to submit it to the next session in the form of an official document.
48. The GRBP Chair reported on the results achieved by GRBP at its seventy-third session (for details, see the report of the session ECE/TRANS/WP.29/GRBP/71).
49. He mentioned that GRBP had adopted modifications to the draft 01 series of amendments to UN Regulation No. 141 (Tyre pressure monitoring system). He recalled that the draft 01 series of amendments would still be addressed by WP.29 this week (ECE/TRANS/WP.29/2021/10) and encouraged the World Forum to consider instead a revised consolidated proposal ECE/TRANS/WP.29/2021/10/Rev.1 under agenda item 4.6.9.
50. He also pointed out that GRBP had agreed to update the Terms of Reference of its two IWGs on Measurement Uncertainties (MU) and on Wet Grip Performance for Tyres in a Worn State (WGWT). WP.29 noted that the revised Terms of Reference were annexed to the report of GRBP at its seventy-third session.
51. WP.29 endorsed the updates of the Terms of Reference of the IWG MU and IWG WGWT.
78. The World Forum considered draft amendments under agenda items 4.6.1 to 4.6.7. and recommended their submission to AC.1 for voting, subject to the following corrections of ECE/TRANS/WP.29/2021/8 under agenda item 4.6.6 (WP.29-183-06):
In paragraph 4.4.1., replace “markings” with “approval mark”.
In paragraph 9.1., delete from the proposal (i.e. keep the paragraph in its current form).
79. The Chair of GRBP presented draft amendment proposals contained in documents ECE/TRANS/WP.29/2021/3, ECE/TRANS/WP.29/2021/10 and Rev.1, ECE/TRANS/WP.29/2021/11 under agenda item 4.6.8 to 4.6.10., to amend UN Regulations Nos. 41, 141 and 142. The World Forum recommended their submission to AC.1 for voting.