50. The Co-Chair of the IWG on EPPR introduced ECE/TRANS/WP.29/2022/107 and ECE/TRANS/WP.29/2022/109, as technical reports to the draft Amendment 5 to UN GTR No. 2 and of the draft new UN GTR on durability of pollution-control devices for two- and three-wheelers, respectively. As agreed during the last session of GRPE (ECE/TRANS/WP.29/GRPE/85, para. 52), those technical reports were directly submitted to the June 2022 session of WP.29. GRPE confirmed the submission of ECE/TRANS/WP.29/2022/107 and ECE/TRANS/WP.29/2022/109 to the June 2022 session of WP.29.