Third countries which have concluded a cooperation agreement with Euratom in the field of nuclear energy research, including controlled nuclear fusion, that associate their respective research programmes with the Euratom programmes are to contribute to the financing of the activities of the Joint Undertaking.
Kolmandad riigid, kes on sõlminud Euratomiga koostöölepingu tuumaenergiaalase teadustöö, sealhulgas juhitava termotuumasünteesi kohta, mis seob nende vastavad uurimisprogrammid Euratomi programmidega, peavad osalema ühisettevõtte tegevuse rahastamises.