9. The expert from IWGSLR introduced corrections of mistakes and omissions in the text of the new UN Regulations Nos. ,  and  (ECE/TRANS/WP.29/GRE/2019/24, ECE/TRANS/WP.29/GRE/2019/25 and ECE/TRANS/WP.29/GRE/2019/26). GRE adopted the corrections and mandated the secretariat to submit them to WP.29 and the Administrative Committee (AC.1) for consideration at their March 2020 sessions. GRE also requested the secretariat to verify with the United Nations Office for Legal Affairs (OLA) whether the adopted corrections could be introduced in the form of corrigenda to the original versions of the three new UN Regulations.
54. In particular, he informed WP.29 about the adopted draft new series of amendments to UN Regulation No. 48 that introduces the mandatory use of Emergency Stop Signal (ESS). He further mentioned that GRE agreed to correct few mistakes and omissions in the new simplified UN Regulations Nos. ,  and . He recalled that, according to the WP.29 mandate, the requirements in the original series of the three new UN Regulations should be totally identical to the requirements in the device UN Regulations which had been frozen in the course of the simplification process. Therefore, GRE was of the view that eventual discrepancies should be corrected by means of supplements or corrigenda to the original series of the new UN Regulations, while substantial changes should only be introduced by the 01 series of amendments and its supplements.