53. The expert from IMMA rapidly introduced ECE/TRANS/WP.29/GRSG/2015/30 proposing to insert into the R.E.3 a definition of “twinned wheels”. He added that his organization was still considering the categories of vehicles concerned and he suggested deferring the discussion on this subject. He announced the submission of an informal document with further details for consideration at the next GRSG session.

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.