37. The expert from Germany, on behalf of the Chair of the IWG on Rechargeable Energy Storage System (REESS) introduced the work progress of the group (GRSP-53-10). He informed GRSP that the group was working on the basis of the new terms of reference which extend the work to category L vehicles. He concluded that the secretariat services were undertaken by the expert from OICA and that the next meeting of the IWG was scheduled for 21 May 2013, in Paris.