31. The expert from OICA introduced detailed justifications (GRSG-107-18) for his proposal (ECE/TRANS/WP.29/GRSG/2014/24) to update, in UN Regulation No. 118, the ISO standard references. GRSG agreed to resume discussion on this agenda item at its May 2015 session and to keep GRSG-107-18 as reference, to leave time for experts to study ISO STD 6722 (see para. 26 above). Experts were invited to send comments to the secretariat concerning the above-mentioned ISO standard.