26. GRB recalled the WP.29 request to introduce, in the medium term, an alternative acronym for ‘Replacement Exhaust Silencing System’ (RESS) in Regulation No. 92 (WP.29-165-16). GRB noted that this issue was addressed in document ECE/TRANS/WP.29/GRB/2016/5 adopted at this session (see para. 15 above).