20. GRSP welcomed GRSP-57-23, tabled by the expert from CLEPA and showing different scenarios of seat strength testing as a result of lack of clarity of the current provisions.

21. GRSP agreed to resume discussion on this subject at its December 2015 session and requested the secretariat to keep GRSP-57-23 as a reference.

20. GRSP resumed discussion on GRSP-57-23 showing three different seat test scenarios. The expert from CLEPA reminded GRSP that the proposal aimed at clarifying which testing scenario should be used and if more than one could be allowed. The expert from EC suggested that test method B indicated in GRSP-57-23 would be more suitable. The expert from the Netherlands agreed with the comments made by the expert from EC and he suggested the inclusion of method C as well.

21. GRSP agreed to resume discussion on this subject at its May 2017 session on the basis of a revised proposal prepared by the expert from CLEPA.

25. The expert from CLEPA reminded GRSP about informal document GRSP-57-23, that he had submitted during the fifty-seventh session of the group and showing different scenarios of seat strength testing as a result of lack of clarity of the current provisions. The expert from the Netherlands volunteered to prepare a proposal addressing the concerns of the expert from CLEPA for the December 2016 session of GRSP.