CHAPTER III – THE RECOGNITION AND PROTECTION OF FUNDAMENTAL HUMAN RIGHTS AND
FREEDOMS OF THE INDIVIDUAL
17. (2) Any person who —
a. is arrested or detained shall be informed in writing or in a language that he understands at the time of his arrest, and in any event not later than twenty-four hours, of the facts and grounds for his arrest or detention ;
Rights during investigation - informed of belief that crime has been committed
EDIT.