SECTION II
FUNDAMENTAL RIGHTS, FREEDOMS AND DUTIES
Chapter III
FUNDAMENTAL RIGHTS AND FREEDOMS OF MAN AND CITIZEN
Article 67. Rights of persons detained, arrested, or accused of a crime
I. Everyone who has been detained, arrested, or accused of a crime by a competent state body shall be immediately informed of his rights, and of the reasons for his detention, arrest, or for the initiation of criminal proceedings against him.
Rights during investigation - informed of belief that crime has been committed
Rights during trial - informed promptly and in detail of charges
EDIT.