regul euratom commiss decemb amend commiss regul euratom novemb exempt transfer small quantiti or sourc materi special fissil materi rule chapter suppli commiss european commun regard treati establish european atom energi commun articl thereof volum research involv small quantiti special fissil materi increas commun countri commun regul euratom enter forc novemb commun prejudic suppli posit consum commun contribut develop research field suppli special fissil materi produc member state suppli posit permit extens rule exempt articl cover special fissil materi produc commun adopt regul articl articl commiss regul euratom novemb relat exempt small quantiti or sourc materi special fissil materi rule chapter suppli publish offici journal european commun decemb page amend read quot regard special fissil materi transfer import export commun exempt provis chapter vi treati provid quantiti involv refer element form exce gramm uranium uranium plutonium transact annual limit gramm substanc user case import export appli subject provis agreement cooper conclud commun countri quot articl regul enter forc dai public offici journal european commun regul bind entireti directli applic member state brussel decemb commiss presid françoi xavier ortoli