On 5 March 2026, the Committee on the Peaceful Uses of Outer Space decided, by written procedure, that the sixty-fifth session of its Legal Subcommittee would be held from 15 to 22 April 2026, and that two days immediately preceding the session, on 13 and 14 April 2026, as well as two days immediately following the session, on 23 and 24 April 2026, would be dedicated to informal meetings and informal consultations to be held by the working groups of the Subcommittee, by the Action Team on Lunar Activities Consultation of the Committee, and for any matters that require such meetings and consultations, and to any side events to be organized in conjunction with the session. The Committee further decided that the following measures should be implemented to convene the sixty-fifth session of the Subcommittee:
These arrangements apply exclusively to the sixty-fifth session of the Legal Subcommittee as an exceptional measure and do not prejudge the outcome of the intersessional, informal consultations to be held by the Working Group of the Whole of the Scientific and Technical Subcommittee on measures to address the effects of the liquidity crisis and to improve the organization and the work of the Committee and its subcommittees, under the guidance of the rules of procedure of the General Assembly as it applies to the Committee (A/AC.105/1346, annex I, paras. 5 and 8).
| Date | Side Event Information |
| Wednesday 15.04.2026 |
Governance and International Cooperation in the Context of Lunar Activities A joint side event organized by Germany and Canada From 13:00 to 13:55 Vienna Time (CEST), Room C-CR7 (7th floor) at the Vienna International Centre and via virtual connection Meet and Greet with Cosmonaut Sergey Prokopiev A side event organized by the Russian Federation From 13:00 to 13:55 Vienna Time (CEST), Room C-CR2 (2nd floor) at the Vienna International Centre The Role of Information Sharing about Space Activities: Perspectives on Sustainability, Science, Exploration and Capacity-Building A joint side event organized by Germany, Maldives, COSPAR, the Lunar Policy Platform From 14:00 to 14:55 Vienna Time (CEST), Room C-CR7 (7th floor) at the Vienna International Centre and via virtual connection Enabling Utilisation, Preserving Science: Lunar Policy Options to Promote Alignment A side event organized by the European Space Policy Institute From 18:00 to 22:00 Vienna Time (CEST), at the European Space Policy Institute Register here |
| Thursday 16.04.2026 |
Science Preservation on the Moon: Balancing Scientific Value, Access, and Responsible Conduct A side event organized by the United Kingdom and the Office for Outer Space Affairs From 9:00 to 9:55 Vienna Time (CEST), Room C-CR3 (7th floor) at the Vienna International Centre and via virtual connection Operationalising Space as a Cross-Cutting Enabler of Sustainable Development: Perspectives on an Emerging 18th SDG Articulation A side event organized by Space Renaissance International From 13:00 to 13:55 Vienna Time (CEST), Room C-CR3 (7th floor) at the Vienna International Centre and via virtual connection Joining COPUOS and OST: New Challenges and Perspectives A side event organized by Italy From 14:00 to 14:55 Vienna Time (CEST), Room C-CR2 (2nd floor) at the Vienna International Centre |
| Friday 17.04.2026 |
Perspectives on the Definition and Delimitation of Outer Space: 60 Years of the Topic as an Agenda item A joint side event organized by Brazil and Mexico From 13:00 to 13:55 Vienna Time (CEST), Room C-CR3 (7th floor) at the Vienna International Centre and via virtual connection Unlocking the Future of Deep Space Exploration: Private Sector Views on Space Resource Activities A side event organized by the United States From 14:00 to 14:55 Vienna Time (CEST), Room C-CR3 (7th floor) at the Vienna International Centre |
| Monday 20.04.2026 |
Getting to Yes: How the United States Proposes to Authorize New Commercial Activities in Space A side event organized by the United States From 13:00 to 13:55 Vienna Time (CEST), Room C-CR7 (7th floor) at the Vienna International Centre Africa Space Law and Policy Conference 2026 Informational Session for Delegations A side event organized by South Africa From 14:00 to 14:55 Vienna Time (CEST), Room C-CR3 (7th floor) at the Vienna International Centre and via virtual connection (password: mj9s7MC) Registration to the conference |
| Tuesday 21.04.2026 |
Operationalizing Space Sustainability at the National Level through UNOOSA's Global Space Law Project A side event organized by the Office for Outer Space Affairs From 14:00 to 14:55 Vienna Time (CEST), Room C-CR7 (7th floor) at the Vienna International Centre and via virtual connection |
The United Nations Office for Outer Space Affairs, in its capacity as secretariat of the Committee on the Peaceful Uses of Outer Space and its subcommittees, invited Permanent Missions of all States Members of the United Nations and organizations having permanent observer status with the Committee to a briefing in preparations for the forthcoming sixty-fifth session of the Legal Subcommittee, scheduled to be held in Vienna in April 2026.
The hybrid briefing was held on Tuesday, 31 March 2026, from 1:30 to 3:00 p.m. (Vienna time) in Conference room CR-3 at the Vienna International Centre (VIC) [Ref: OOSA/2026/16 of 23 February 2026]. In-person attendance was open to holders of a valid grounds pass for the VIC. The briefing presentation can be accessed here.
