50. The Chair of GRB (France) reported on the results achieved during the sixty-fifth session of GRB (for more details see the report of the session ECE/TRANS/WP.29/GRB/63).

51. In particular, the GRB chair reported that GRB had adopted amendment proposals to the Additional Sound Emission Provisions (ASEP) in Regulation No. 51 (Noise of M and N categories of vehicles) and that these amendments would be submitted to WP.29 and AC.1 in June 2017.

52. The GRB chair further informed that GRB had agreed to draft a new Regulation on reversing alarms and that the main issues for the future Regulation would be its scope (categories of vehicles), the possible existence of a pause switch and the alarm sound composition (sound levels and frequencies).