Negotiated and drafted under the auspices of the United Nations, it was opened for signature in the United States, the United Kingdom, and the Soviet Union on 27 January 1967, entering into force on …

Mar 17, 2025 · 15 April 2024: Ratification by Colombia of the Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, Including the Moon and other …

Jul 9, 2025 · Depositary Actions - Treaty Affairs Office of Treaty Affairs Download Attachment [147 KB]

The UNTC page provides details on the Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space.

Ratification on deposit with London - 10 October 1967 Signature on deposit with London - 27 January 1967 Ratification on deposit with Moscow - 10 October 1967 Signature on deposit with Moscow - 27 …

1 Dates given are the earliest dates on which countries signed the agreements or deposited their ratifications or accessions -- whether in Washington, London, Moscow, or New York.

A mutually agreed treaty text was worked out over the next six months, and the UN General Assembly gave its approval of the treaty on December 19, 1966. The treaty opened for signature in …

Jul 9, 2025 · In reference to United States Depositary Notification No. 2024-018 dated April 15, 2024, concerning the ratification by the Republic of Colombia of the aforementioned Treaty, by diplomatic …

Convinced that a Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies, will further the purposes and principles …

As of 1 January 2008, the Outer Space Treaty has received 99 ratifications and 25 signatures.