[martin_fierro]

[restornu]

official site, the International Space Station is "led by the United States
http://www.shuttlepresskit.com/ISS_OVR/index.htm

As a comprehensive FAQ from the European Center for Space Law informed us, http://edms.esrin.esa.it/ecsl/questions/question7.html

Institute of Air and Space Law at McGill University in Montreal.
http://www.iasl.mcgill.ca/index2.htm

And, believe it or not, there is a United Nations Office for Outer Space Affairs in Vienna.
http://www.oosa.unvienna.org/COPUOS/copuos.html

Way back in 1963, the U.N. issued a "Declaration of Legal Principles Governing the Activities of States in the Exploration and Use of Outer Space," which broadly declares:
http://www.oosa.unvienna.org/SpaceLaw/lpos.html