Japan submitted this proposal to clarify the
requirements of the Regulation on rear underrun protection devices. This proposal is based on informal document GRSG-101-10-Rev.1.
20. The expert from Japan presented ECE/TRANS/WP.29/GRSG/2012/5 clarifying the requirements on rear underrun protection devices. GRSG noted a number of amendments (GRSG-102-35) and adopted the proposal as reproduced in Annex IV to this report. GRSG requested the secretariat to submit it to WP.29 and AC.1 for consideration at their November 2012 sessions, as draft Supplement 3 to the 02 series of amendments to UN Regulation No. 58.