26 February 2024. From the WTO: "Ministers formally approved the WTO membership terms of Comoros and Timor-Leste at a special ceremony held at the 13th WTO Ministerial Conference (MC13) in Abu Dhabi on 26 February 2024. The respective governments said the ceremony marked a historic day for both least-developed countries (LDCs) and a significant step in their quest to accelerate economic and political reforms."
News item here: WTO | 2024 News items - Ministers approve Comoros and Timor-Leste’s WTO membership at MC13