26. On behalf of the Task Force on Reverse Warning (TF-RW), the expert from Japan reported on the progress of TF-RW (GRB-69-20). GRB pointed out the need to liaise with the Working Party on General Safety (GRSG) on the issue and was of the view that the TF-RW report should be also be brought to the attention of GRSG. The expert form Switzerland volunteered to act as GRB ambassador to GRSG on this topic.