ESA Convention

The Final Act of the Conference of Plenipotentiaries and the associated Resolutions (CSE/CS(73)20, rev.7) established conditions for signature of the Convention and for the functioning of the European Space Agency.

On 30 May 1975, the Convention was signed by: the Federal Republic of Germany, the Kingdom of Belgium, the Kingdom of Denmark, Spain, the French Republic, the Italian Republic, the Kingdom of the Netherlands, the United Kingdom of Great Britain and Northern Ireland, the Kingdom of Sweden, and the Swiss Confederation.

On 31 December 1975, the Convention was signed by Ireland.

The Convention entered into force on 30 October 1980.

In accordance with Article XVI. 3 of the Convention, the Council has amended certain provisions in Annexes to the Convention adopting the following:

• ESA/C-M/CXXII/Res. 1 (Final), chapter IV, adopted on 20 October 1995;

• ESA/C-M/CLIV/Res. 2 (Final), chapter III, adopted on 15 November 2001;

• ESA/C/CLXXIX/Res. 6 (Final), adopted on 22 June 2005;

• ESA/C(2009)73, adopted on 10 June 2009.

The versions with the consolidated text in force as of 1 January 2023 are provided in links below.

Date of deposit of instruments of ratification: