GRBP will be informed about the progress of the Task Force on Reverse Warning (TF RWS) and will consider any proposals submitted by TF RWS.
| GRBP-74-23 | (Reverse Warning Sound): TF status report | |
| GRBP-74-24 | (Reverse Warning Sound) : Proposal for the approval of audible devices and of motor vehicles with regard to their audible signals | |
| GRBP-74-24 | (Reverse Warning Sound) : Proposal for the approval of audible devices and of motor vehicles with regard to their audible signals |