Proposal to amend the transitional provisions in order to explicitly confirm that approvals granted prior to the respective supplements to the 01 and 02 series of amendments and the establishment of the new guidelines on UN Regulation procedures (documents WP.29/2017/107 including Corrigendum 1 and Addendum 1) will continue to be accepted. This amendment confirms the understanding that the new procedures apply only to new approvals and do not affect previous approvals.