three important features, which are probably held in common with the other general principles protecting fundamental human rights. (a) The Prohibition Even Covers Potential Breaches. 148. Firstly, given the importance that the international community attaches to the protection of individuals from torture, the prohibition against torture is particularly stringent and sweeping. States are obliged not only to prohibit and punish torture, but also to forestall its occurrence: it is insufficient merely to intervene after the infliction of torture, when the physical or moral integrity of human beings has already been irremediably harmed. Consequently, States are bound to put in place all those measures that may pre-empt the perpetration of torture. As was authoritatively held by the European Court of Human Rights in Soering, international law intends to bar not only actual breaches but also potential breaches of the prohibition against torture (as well as any inhuman and degrading treatment). It follows that international rules prohibit not only torture but also (i) the failure to adopt the national measures necessary for implementing the prohibition and (ii) the maintenance in force or passage of laws which are contrary to the prohibition. 149. Let us consider these two aspects separately. Normally States, when they undertake international obligations through treaties or customary rules, adopt all the legislative and administrative measures necessary for implementing such obligations. However, subject to obvious exceptions, failure to pass the required implementing legislation has only a potential effect: the wrongful fact occurs only when administrative or judicial measures are taken which, being contrary to international rules due to the lack of implementing legislation, generate State responsibility. By contrast, in the case of torture, the requirement that States expeditiously institute national implementing measures is an integral part of the international obligation to prohibit this practice. Consequently, States must immediately set in motion all those procedures and measures that may make it possible, within their municipal legal system, to forestall any act of torture or expeditiously put an end to any torture that is occurring. 150. Another facet of the same legal effect must be emphasised. Normally, the maintenance or passage of national legislation inconsistent with international rules -25-