Parties may register for specific exemptions listed in Annex A or B pursuant to paragraph 3 of Article 4. In accordance with paragraph 2 of part IV of Annex A to the Convention, at its sixth ordinary meeting and at every second ordinary meeting thereafter the Conference of the Parties evaluates the progress that Parties have made towards achieving their ultimate objective of elimination of hexabromodiphenyl ether and heptabromodiphenyl ether contained in articles and review the continued need for this specific exemption. This specific exemption shall in any case expire at the latest in 2030.