'Special fissile materials' means plutonium-239; uranium-233; uranium enriched in uranium-235 or uranium-233; and any substance containing one or more of the foregoing isotopes and such other fissile mate rials as may be specified by the Council, acting by a qualified majority on a proposal from the Commission; the expression 'special fissile materials' does not, however, include source materials.
Ciallaionn 'ábhair inscoilte speisialta' plútóiniam-239; úráiniam-233; úráiniam saibhríthe ín úráiniam-235 nó úráiniam-233; aon substaint ina bhfuil ceann amháin nó nios mó de na hiseatóipí roimhe seo agus dbé ábhair inscoilte eile a shonróidh an Chomhairle, ag gniomhú di tri thromlach cáilithe ar thogra ón gCoimisiún; nil bunábhair ar áireamh, áfach, sa téarma 'ábhair inscoilte speisialta'.