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.

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.

52. Recalling the purpose of ECE/TRANS/WP.29/GRSG/2015/30, the expert from IMMA announced his intention to submit, for consideration at the forthcoming GRSG session, a revised proposal on a definition of “twinned wheels”, taking into account the comments received by the members of his organization.

53. GRSG welcomed the information and agreed to resume consideration of this subject at its next session in October 2016 on the basis of an updated official document by IMMA.

65. The expert from IMMA introduced GRSG-115-12, in reference to ECE/TRANS/WP.29/GRSG/2015/30, which amend the provisions of R.E.3 to allow the application of “twinned wheels” on all vehicles of category L. The expert from EC suggested reading in the proposed paragraph 2.1.1. “twinned wheels configuration” instead of “twinned wheels”. A number of experts endorsed the proposal. GRSG agreed to resume consideration of this subject at its next session and requested the secretariat to circulate GRSG-115-12 with an official symbol.