The leading committee comprised 7 to 11 individuals, and ETA's internal documentation referred to it as Zuba, an abbreviation of Zuzendaritza Batzordea (directorial committee).
領導小組大約有7到11個人，在埃塔的內部文件稱他們為Zuba，即為Zuzendaritza Batzordea（領導委員會）的縮寫。