24. The expert from Italy presented GRRF-79-30, introducing the amendments proposed in ECE/TRANS/WP.29/GRRF/2014/23/Rev.1 as amended by GRR-79-11 and GRRF 79 13 on new requirements for the approval of replacement brake discs for L category vehicles, taking into consideration the latest technologies available in the market.

25. The proposal received some comments. GRRF agreed to revisit this item on the basis of a revised proposal to be submitted by the expert from Italy and taking into account all the comments received

25. The expert from Italy presented GRRF-82-32 introducing ECE/TRANS/WP.29/GRRF/2016/18, which was already presented once, at the February 2016 session. He pointed out that he didn’t receive any feedback or comments on the proposal and that therefore the original proposal was not amended. GRRF adopted the proposal as amended and requested the secretariat to submit this proposal as draft Supplement 4 to the 02 series of amendments to Regulation No. 90 (Replacement braking parts), for consideration and vote at the June 2017 sessions of WP.29 and AC.1.

26. The expert from Italy presented GRRF-80-31, introducing ECE/TRANS/WP.29/GRRF/2014/23/Rev.2 and GRRF-80-37 and proposing requirements for the approval of replacement brake discs for L-category vehicles, taking into consideration the latest technologies available in the market as well as comments received during the previous session of GRRF. GRRF adopted the proposal with the following amendments:

(a) the proposed transitional provisions (paras 12.1 to 12.6) shall be deleted;
(b) The note under Table A15/2.9 shall read: “There are no groups…”

29. The expert from Italy presented GRRF-81-29 introducing ECE/TRANS/WP.29/GRRF/2016/18. The experts from Spain, UK and EC expressed reservations with the aim of the proposal, taking into account the history of the Regulation No. 90 development. They suggested that a more strategic and coordinated approach was chosen to develop the Regulation. GRRF agreed that this proposal may be reviewed by a SIG dealing with Regulation No. 90.

91. In ECE/TRANS/WP.29/2018/12, on page 4, for “Qp”, read “qp”.