103. The Secretary of WP.1 informed WP.29 on the progress in harmonizing lighting provisions in the 1968 Vienna convention and the UN Regulations on lighting annexed to the 1958 agreement where still open issues had not been solved.

104. He introduced WP.29-179-05 related to the activities of the WP.1-WP.29 Executive-Task-Force that aimed at enhanced cooperation between the two fora. The United States proposed a joint WP.1–WP.29 event for March 2020 when both fora would have their sessions during the same week. Both secretaries agreed to identify a time for such a meeting.