From 1979, CELF encountered substantial financial difficulties, which were expected however, since the two companies which previously administered the activity had preferred to withdraw from a market they considered unprofitable.
Dès 1979, le CELF a rencontré des difficultés financières importantes, mais attendues, puisque les deux entreprises qui géraient précédemment l'activité avaient justement préféré se retirer d'un marché qu'elles considéraient comme non rentable.