Article 4c of the 1990 "services" directive, as amended by the "full competition" directive of March 1996, requires Member States to allow the former telecommunications' monopolies to rebalance their tariffs, in other words to base them on underlying costs, in order to put an end to the cross-subsidisation between various revenue streams.
L'article 4 ter de la directive "services", telle que modifiée par la directive "pleine concurrence" de mars 1996, demande aux États membres de permettre aux anciens monopoles de rééquilibrer leurs tarifs, c'est-à-dire de les adapter aux coûts sous-jacents, afin de mettre un terme aux subventions croisées entre diverses sources de revenus.