translate English to French: The use of such techniques stands upon the permission of a judge or a state prosecutor or exceptionally by a police body depending on the method of investigation and in accordance with the Criminal Procedure Code. Such techniques can be used for "an extremely serious intentional crime or for any other intentional crime the prosecution of which is a covenant resulting from a declared international agreement".
L’utilisation de ces techniques dépend de l’autorisation du juge ou du procureur ou, exceptionnellement, de la police selon le mode d’investigation et le code de procédure pénale.