DECLARATION OF HUMAN AND CIVIC RIGHTS OF 26 AUGUST 1789
Article 9
As every man is presumed innocent until he has been declared guilty, if it should be considered necessary to arrest him, any undue harshness that is not required to secure his person must be severely curbed by Law.
TITLE
PRELIMINARY ARTICLE
III
...
The coercive measures to which such a person may be subjected are taken by or under the effective control of judicial authority. They should be strictly limited to the needs of the process, proportionate to the gravity of the offence charged and not such as to infringe human dignity.
1. In respect of an investigation under this Statute, a person:
(b) Shall not be subjected to any form of coercion, duress or threat, to torture or to any other form of cruel, inhuman or degrading treatment or punishment;