CONSTITUTION OF THE REPUBLIC OF COTE D’IVOIRE - Adopted on 24 July 2000
TITLE I: FREEDOMS, RIGHTS, AND DUTIES
CHAPTER 1: Freedoms and Rights
Article 21
No one may be prosecuted, arrested, detained, held in police custody or charged, except by virtue of a law previously promulgated concerning the acts of which he or she is accused.
Fair trial standards
Rights during investigation - arbitrary arrest or detention and deprivation of liberty
Nullum crimen sine lege
Nulla poena sine lege
EDIT.