26. The expert from Germany, on behalf of the Chair of the IWG on Rechargeable Energy Storage System (REESS) informed GRSP about the work progress of the IWG and introduced for information a first draft amendment to UN Regulation No. 100 (GRSP-54-13). However, GRSP noted that the IWG had not yet decided whether the final proposal would amend UN Regulation No. 100 or would concern a new UN Regulation and that this decision would be taken at its next meeting (on 23 – 24 January 2014, Barcelona, Spain). The expert from Japan introduced GRSP-54-26 suggesting that the IWG exclude vehicle categories L5, L6 and L7 from the proposal, because of the need of more detailed discussion on crashworthiness of such vehicles. GRSP agreed to resume discussion at its May 2014 session on a proposal drafted by the IWG.