57. The representative from OICA introduced GRPE-78-17, GRPE-78-18 and GRPE 78 19 proposing a scheme to maintain M.R.2. The Chair acknowledged the potential benefits of maintaining M.R.2 but required more time to find the best way forward. He invited each Contracting Party to consult internally on how to best perform this activity in the future. The representative from EC supported the future work on such activity.