(1) INTERNATIONAL SPACE TREATIES

Outer Space Treaty, 1967: The foundational treaty of international space law, establishing that outer space shall be used for peaceful purposes and for the benefit of all humankind. It prohibits national appropriation of outer space and places responsibility on States for national space activities, including those conducted by private entities. It also lays down principles on liability, jurisdiction, and international cooperation.

Agreement on the Rescue of Astronauts, the Return of Astronauts and the Return of Objects Launched into Outer Space (Rescue Agreement), 1968:Building upon the Outer Space Treaty, the Rescue Agreement requires States to provide all possible assistance to astronauts in distress and ensure their safe and prompt return. It also obliges States to recover and return space objects that land outside the launching State's territory. The Agreement reinforces international cooperation and humanitarian obligations in outer space.

Convention on International Liability for Damage Caused by Space Objects (Liability Convention), 1972:The Liability Convention establishes the legal framework governing compensation for damage caused by space objects. It imposes absolute liability for damage caused on Earth or to aircraft in flight, while liability for damage occurring in outer space is fault-based. The Convention also outlines procedures for presenting and resolving compensation claims between States.

Convention on Registration of Objects Launched into Outer Space (Registration Convention), 1974: This Convention requires launching States to maintain national registers of space objects and furnish key information to the United Nations. Registration enhances transparency, facilitates the identification of space objects, and supports the implementation of international obligations relating to jurisdiction, control, and liability.

Agreement Governing the Activities of States on the Moon and Other Celestial Bodies (Moon Agreement), 1979: The Moon Agreement expands the legal framework governing activities on the Moon and other celestial bodies. It emphasizes their peaceful use, recognizes the Moon and its natural resources as the common heritage of humankind, and envisages the establishment of an international regime to govern future resource exploitation. Although it has limited participation, it remains an important instrument in the development of space law.

(2) UN PRINCIPLES AND DECLARATIONS

Declaration of Legal Principles Governing the Activities of States in the Exploration and Use of Outer Space, 1963: Adopted by the United Nations General Assembly, this Declaration laid the foundation for modern international space law and served as the basis for the 1967 Outer Space Treaty. It establishes key principles such as freedom of exploration, non-appropriation of outer space, State responsibility for national activities, and international cooperation. Many of its provisions were later incorporated into binding treaty law.

Principles Governing the Use by States of Artificial Earth Satellites for International Direct Television Broadcasting, 1982: These Principles provide guidance on the use of satellites for international direct television broadcasting while balancing freedom of information with respect for State sovereignty, cultural identity, and national laws. They encourage international cooperation, prior consultations where appropriate, and the peaceful use of satellite broadcasting technologies.

Principles Relating to Remote Sensing of the Earth from Outer Space. 1986: The Remote Sensing Principles establish a framework for the collection and dissemination of Earth observation data from space. They encourage remote sensing activities for the benefit of all countries, particularly developing States, while recognising the rights of sensed States to access data concerning their territories. The Principles promote transparency, environmental protection, and international cooperation.

Principles Relevant to the Use of Nuclear Power Sources in Outer Space, 1992: These Principles set out internationally accepted safety standards for the use of nuclear power sources in space missions where alternative energy systems may be impractical. They emphasize rigorous safety assessments, risk minimisation, transparency, and international notification in the event of accidents. The Principles aim to ensure that nuclear technologies are used responsibly for peaceful space exploration.

Declaration on International Cooperation in the Exploration and Use of Outer Space for the Benefit and in the Interest of All States, 1996: This Declaration reinforces the principle that international cooperation is essential for the exploration and use of outer space. It encourages States to promote equitable participation, technology sharing, capacity-building, and partnerships, while recognising that cooperation should take into account the needs and interests of developing countries. The Declaration remains an important guide for fostering inclusive and sustainable space activities.

(3) INTERNATIONAL TELECOMMUNICATIONS

ITU Constitution: The Constitution of the International Telecommunication Union (ITU) establishes the objectives, structure, and legal framework governing the Union. It sets out the rights and obligations of Member States and provides the foundation for international cooperation in telecommunications, including satellite communications, spectrum allocation, and orbital resource management.

ITU Radio Regulations: The ITU Radio Regulations constitute the principal international treaty governing the use of the radio-frequency spectrum and satellite orbits. They establish procedures for spectrum allocation, frequency coordination, and interference management, ensuring the efficient, equitable, and interference-free operation of radiocommunication services worldwide.

World Radiocommunication Conference (WRC) Outcomes: The World Radiocommunication Conference (WRC), convened by the ITU every three to four years, reviews and updates the Radio Regulations to address emerging technologies and evolving spectrum requirements. Its decisions influence the global regulatory framework for satellite communications, space services, terrestrial wireless systems, and future telecommunications infrastructure.

Geostationary Orbital Slot Coordination: Orbital slot coordination is the international process through which satellite operators and administrations coordinate the use of geostationary orbital positions and associated radio frequencies. Conducted under the ITU framework, it seeks to prevent harmful interference, promote efficient spectrum utilisation, and ensure equitable access to limited orbital resources.

Spectrum Management: Spectrum management refers to the planning, allocation, assignment, and regulation of radio-frequency spectrum to ensure its efficient and interference-free use. In the space sector, effective spectrum management is essential for satellite communications, navigation, Earth observation, scientific missions, and the sustainable growth of the commercial space industry.

(4) INTERNATIONAL ORGANIZATIONS & STANDARDISATION BODIES

United Nations Office for Outer Space Affairs (UNOOSA): UNOOSA serves as the United Nations office responsible for promoting international cooperation in the peaceful exploration and use of outer space. It supports the work of UNCOPUOS, assists Member States in developing national space capabilities, promotes capacity-building, and facilitates the implementation of international space law and the UN Space Treaties.

United Nations Committee on the Peaceful Uses of Outer Space (UNCOPUOS): UNCOPUOS is the principal United Nations body responsible for the development of international space law and policy. Through its Legal and Scientific & Technical Subcommittees, it develops treaties, principles, guidelines, and recommendations addressing the peaceful, safe, and sustainable use of outer space.

International Telecommunication Union (ITU): The ITU is the United Nations specialized agency for information and communication technologies. It manages the international radio-frequency spectrum and satellite orbits, develops global telecommunications standards, and facilitates international coordination to ensure the efficient operation of satellite communication systems.

International Civil Aviation Organization (ICAO): ICAO is the United Nations specialized agency responsible for international civil aviation. As commercial spaceflight and suborbital operations continue to develop, ICAO increasingly collaborates with space-sector stakeholders to address issues relating to airspace integration, aerospace operations, and aviation safety.

ISO Technical Committee 20 (ISO/TC 20): ISO/TC 20 develops international standards for aircraft and space vehicles, supporting safety, interoperability, quality assurance, and technical harmonization across the global aerospace industry. Its standards are widely adopted by manufacturers, operators, and regulatory authorities.

Committee on Space Research (COSPAR): COSPAR is an international scientific organization that promotes global cooperation in space research. It develops internationally recognised scientific guidelines, including the Planetary Protection Policy, and provides a neutral forum for advancing scientific collaboration in space exploration and research.

Inter-Agency Space Debris Coordination Committee (IADC): The IADC is an international forum comprising the world's major space agencies, established to coordinate research and develop technical guidelines for mitigating space debris. Its recommendations have significantly influenced international best practices and the evolution of global space debris mitigation policies.

International Astronautical Federation (IAF): The IAF is a non-governmental space advocacy body founded in 1951, bringing together space agencies, industry, research institutions, and universities from over 80 countries. It organises the annual International Astronautical Congress (IAC) and fosters global dialogue and cooperation on the peaceful uses of outer space.

International Institute of Space Law (IISL): The IISL is an independent non-governmental organisation dedicated to promoting the further development of space law and the rule of law in the exploration and use of outer space. It convenes the annual Colloquium on the Law of Outer Space, organises the Manfred Lachs Space Law Moot Court Competition, and holds observer status before UNCOPUOS.

Secure World Foundation (SWF): SWF is a private operating foundation that works with governments, industry, and international organisations to promote the secure, sustainable, and peaceful use of outer space, with a focus on space sustainability, policy, and law. It holds consultative status with the UN Economic and Social Council.

Moon Village Association (MVA): The MVA is an international non-profit that promotes the cooperative, multi-stakeholder development of a sustainable human and robotic presence on the Moon, bridging spacefaring and non-spacefaring nations in shaping future lunar governance.

Space Generation Advisory Council (SGAC): SGAC is a global non-profit network representing university students and young space professionals before the United Nations, space agencies, industry, and academia. Its Space Law and Policy project group contributes youth perspectives to ongoing space governance debates, including at UNCOPUOS.