No interception may take place on the line of a member of parliament or senator without the president of the assembly to which he or she belongs being informed by the investigating judge.
No interception may take place on a line dependent on a lawyer’s chambers or home without the president of the bar being informed by the investigating judge.
No interception may take place on a line depending from a magistrate’s chambers or his home without the first president or the public prosecutor of the court where he resides being informed.
The formalities provided for in this article are prescribed on pain of nullity.