TITLE II
RIGHTS AND DUTIES OF THE INDIVIDUAL
ARTICLE 18.
No one may be detained for a duration greater than forty-eight hours except by a decision of the magistrate before whom he must have been presented. This delay may be prolonged only in circumstances exceptionally provided for by law and may not exceed a period greater than eight days.
Fair trial standards
Rights during investigation - arbitrary arrest or detention and deprivation of liberty
EDIT.