56. The expert from Germany introduced GRSP-61-21 which aimed at defining the conditions of “door open after the test collision”. The proposal received a general study reservation from GRSP experts especially on the proposed traction force limit applied to the outer side of the door. GRSP agreed to resume discussion on this subject at its December 2017 session on the basis of a revised proposal to be submitted by the expert from Germany. In the mean time, it was agreed to keep GRSP-61-21 as a reference on the agenda of the next session.