39. GRE recalled that, at its present and previous sessions, it had adopted GRE-88-17 and ECE/TRANS/WP.29/GRE/2023/13 as a Supplement to the 03, 04 and 05 series of amendments to UN Regulation No. 48 but had decided to postpone the submission of these amendments to WP.29, in order to combine them with future amendment proposals to the same series of amendments.