Sessions 2024 ECOSOC Special Meeting on “International Cooperation in Tax Matters” (18 March) 2023 ECOSOC Special Meeting on “International Cooperation in Tax Matters” (31 March) 2022 ECOSOC Special Meeting on “International Cooperation in Tax Matters” (8 April) 2021 ECOSOC Special Meeting on “International Cooperation in Tax Matters” (29 April) 2020 No Meeting 2019 ECOSOC Special Meeting on “International Cooperation in Tax Matters” (23 April)