42. The expert from OICA introduced GRSP-57-05-Rev.1, to provide for adequate back door protection to prevent the possibility of accidental opening of the door while the vehicle was in motion, similar to the existing provisions for side doors. The experts from EC and France supported the proposal in principle. GRSP agreed to resume discussion on this subject at its December 2015 session and requested the secretariat to distribute GRSP-57-05-Rev.1 with an official symbol. Following the suggestion of GRSP Chair, the expert from EC volunteered to prepare a request for authorization to develop a parallel amendment to UN GTR No. 1 to be submitted at the March 2016 session of AC.3 with EU as technical sponsor.