35. The Chair of the REC group illustrated ECE/TRANS/WP.29/GRPE/2014/4, as updated by GRPE-68-17-Rev.2, containing a proposal for the 01 series of amendments to the UN Regulation on REC. This includes a revision in the definitions of the REC devices, stricter limit values (reduction levels) for REC systems, transitional provisions for the type approval of REC systems that meet the requirements of the REC Regulation in its original form, as well as a revision of the test sequence for particulate reduction and the equivalence matrix for the UN Regulation No. 49 standard series.

36. GRPE adopted ECE/TRANS/WP.29/GRPE/2014/4, as amended in the informal document GRPE-68-17-Rev.2, and requested the secretariat to submit the resulting proposal to WP.29 and AC.1, for consideration at their June 2014 sessions as the 01 series of amendments to the UN Regulation on REC.