23. The expert from IMMA introduced ECE/TRANS/WP.29/GRB/2012/13 and ECE/TRANS/WP.29/GRB/2012/14 respectively amended by GRB-56-10 and GRB-56-11. He clarified that both proposals were aimed at introducing into UN Regulations Nos. 9 and 63 new requirements for improved noise control of motorcycles and anti-tampering measures, but not yet ASEP provisions. GRB adopted ECE/TRANS/WP.29/GRB/2012/13 and ECE/TRANS/WP.29/GRB/2012/14 as amended by Annex IV to this report. The secretariat was requested to submit them to WP.29 and AC.1 for consideration at their March 2013 sessions: ECE/TRANS/WP.29/GRB/2012/13 as draft 07 series of amendments to UN Regulation No. 9 and ECE/TRANS/WP.29/GRB/2012/14 as draft 02 series of amendments to UN Regulation No. 63.