GENERAL PART
Section One : GENERAL PROVISIONS
CHAPTER 2. PRINCIPLES OF CRIMINAL PROCEEDINGS
Article 11. Immunity of Person
4. Everyone who is detained or arrested shall be informed promptly of the reasons for his detention or arrest, as well as the factual circumstances and legal description of the offense, the commission of which is incriminated to him, or suspected in.
Rights during investigation - informed of belief that crime has been committed
Rights during trial - informed promptly and in detail of charges
EDIT.