159. The representative of the European Union informed that no activities had been undertaken since the adoption of Amendment 3 to UN GTR No. 19, and suggested to keep this item on the agenda until there would be a better understanding of any impact the proposals for new 02 and 03 series to UN Regulation No. 154 might have on UN GTRs Nos. 15 and 19, expected in March 2022. AC.3 agreed with this proposal.