40. The expert from OICA presented ECE/TRANS/WP.29/GRSG/2019/32 introducing requirements for aerodynamic devices. The expert from CLEPA introduced GRSG-117-46 with further clarification of the area of the aerodynamic devices with limited hardness. The expert from EC presented GRSG-117-50 amending the definition of aerodynamic devices and equipment in ECE/TRANS/WP.29/GRSG/2019/32.

41. Following detailed technical discussions and adjustment of language used, GRSG adopted ECE/TRANS/WP.29/GRSG/2019/32 as amended by GRSG-117-51. The secretariat was requested to submit it to WP.29 and AC.1 as draft supplement 1 to the 03 series of amendments to UN Regulation No. 58 for consideration at their March 2020 sessions.

With 37 of the 47 Contracting Parties applying UN R58 present and voting, AC.1 adopted document WP.29/2020/19, as amended by para. 88 per the session report, by a vote of 37 in favor, 0 opposed, with 0 abstaining.