134. The AC.1 voting followed the special proceedings during COVID-19 period, which had been adopted by all Contracting Parties to the 1958 Agreement under a silence procedure on 26 February 2021. The written procedure, had been initiated on 2 March 2021 18:00h CET and had lasted for 72 hours, ending on 5 March 2021 18:00h CET. The seventy-seventh, online, session of AC.1 was held on 10 March 2021.

135. Of the 56 contracting parties to the agreement, 39 were represented by taking part in the written procedure and at the online AC.1 session, its seventy-seventh session, on 10 March 2021.

136. AC.1 invited the Chair of WP.29 to chair the online session.