Title 1 Of the Fundamental Bases of Society
Article 16
The secrecy of correspondence as well as that of postal, electronic, telegraphic and telephonic communications[,] are inviolable.
Restrictions on the above provisions may only be ordered in application of a law.
1. States Parties shall, in accordance with the provisions of this Part and under procedures of national law, comply with requests by the Court to provide the following assistance in relation to investigations or prosecutions:
(b) The taking of evidence, including testimony under oath, and the production of evidence, including expert opinions and reports necessary to the Court;