|  | | Mtg_Title | Venue | From-To | |
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 | In continuous session or meeting as required |
| |
 |
  | Meetings continued from previous month |
|  |
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 | April 2021 |
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 |
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 | June 2021 |
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 |
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 | August 2021 |
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| | . | Assembly of States Parties to the Rome Statute of the International Criminal Court, Budget and Finance Committee, Thirty-seventh session | The Hague | 6 - 17 September |  |
 |  | . | Committee on the Rights of the Child, Eighty-eighth session | Geneva | 6 - 24 September |  |
| | . | Conference of the States Parties to the United Nations Convention against Corruption, Implementation Review Group, Resumed twelfth session | Vienna | 6 - 10 September |  |
 |  | . | Conference of the States Parties to the United Nations Convention against Corruption, open-ended intergovernmental expert meetings to enhance international cooperation, Tenth session | Vienna | 6 - 10 September |  |
| | . | Conference of the States Parties to the United Nations Convention against Corruption, Open-ended Intergovernmental Working Group on Asset Recovery, Fifteenth session | Vienna | 6 - 10 September |  |
 |  | . | Human Rights Council, Working Group on Arbitrary Detention, Ninety-first session | Geneva | 6 - 10 September |  |
| | . | Committee on Conferences, Substantive session | New York | 7 - 13 September |  |
 |  | . | Group of Governmental Experts on problems arising from the accumulation of conventional ammunition stockpiles in surplus, Third session | New York | 7 - 10 September |  |
| | . | UNICEF, Executive Board, Second regular session | New York | 7 - 10 September |  |
 |  | . | Advisory Committee on Administrative and Budgetary Questions, Fall session | New York | 13 September - 17 December |  |
| | . | Committee on Enforced Disappearances, Twenty-first session | Geneva | 13 - 24 September |  |
 |  | . | Committee on the Rights of Persons with Disabilities, pre-sessional working group, Fifteenth session | Geneva | 13 - 17 September |  |
| | . | Human Rights Council, Forty-eighth session | Geneva | 13 September - 1 October |  |
 |  | . | IAEA, Board of Governors | Vienna | 13 - 17 September |  |
| | . | ICAO, Air Navigation Commission, 218th session | Montreal (ICAO Headquarters) | 13 September - 12 November |  |
 |  | . | ICAO, Committee Phase, 224th session | Montreal (ICAO Headquarters) | 13 September - 1 October |  |
| | . | General Assembly, Seventy-sixth session | New York | 14 September - December |  |
 |  | . | IFAD, Executive Board, 133rd session | Rome | 14 - 16 September |  |
| | . | UN-Women, Executive Board, Second regular session** | New York | 14 - 15 September |  |
 |  | . | UNEP, Committee of Permanent Representatives, 155th meeting | Nairobi | 16 September |  |
| | . | Committee on Non-Governmental Organizations, Resumed 2021 regular session (to be confirmed)** | New York | 17 September |  |
 |  | . | Commission on Narcotic Drugs; Heads of National Drug Law Enforcement Agencies (HONLEA) Africa, Thirtieth session (to be confirmed) | Addis Ababa or a capital in the region | 20 - 24 September |  |