56. Recalling the discussion at its previous session on new definitions for agricultural and forestry vehicles, GRSG noted the adoption of ECE/TRANS/WP.29/2015/35 by WP.29 at its March 2015 session as an amendment to R.E.3.

57. The expert from IMMA introduced GRSG-108-18 proposing to insert into the R.E.3 a definition of “twinned wheels”. Japan raised a study reservation. GRSG noted some comments and agreed to resume consideration of this subject at its next session in October 2015 on the basis of a new proposal by IMMA, taking into account the comments received.