20. GRSP agreed (ECE/TRANS/WP.29/GRSP/2017/26) on how to secure a cab mounted on a vehicle on the test rig allowing the use of rigid composite blocks and/or metal brackets instead of the wooden blocks (Annex 3, Appendix 1, para. 1), and on the necessity to secure the vehicle with ropes or chains for test C. The expert from Germany introduced GRSP-62-11 on tolerance for the position of the loading device during the test. GRSP agreed in principle with GRSP-62-11, to combine both documents and to resume discussion at the May 2018 session of GRSP to allow for any further provisions. The secretariat was requested to distribute GRSP-62-11 with an official symbol at the next session of GRSP.

55. The expert from Germany introduced GRSP-61-20 to provide specifications on how to secure a cab mounted on a test rig and to improve repeatability of the test. The secretariat was requested to distribute GRSP-61-20 with an official symbol at the December 2017 session of GRSP.