54. The expert from UK presented GRSG-108-33 raising concerns about the absence of an appropriate field of view requirement for drivers of N1 vehicles. GRSG noted support on the principles of the proposal. Some experts raised a study reservation as the proposal would imply a modification to the current scope of UN Regulation No. 125. GRSG agreed to resume consideration of this subject at its next session on the basis of a concrete proposal by the expert from UK.