CHAPTER IV: PROTECTION OF FUNDAMENTAL RIGHTS AND FREEDOMS
19. Protection of the right to personal liberty
(2) Any person who is arrested or detained shall be informed as soon as is reasonably practicable and in any case within three hours, in a language he or she understands, of the reasons for his or her arrest or detention and of his or her right to consult a legal practitioner.
Rights during investigation - informed of belief that crime has been committed
EDIT.