CRIMINAL PROCEDURE CODE
PART I
ON THE GENERAL PART
TITLE III
ON PROCEDURAL PARTICIPANTS
CHAPTER VI
ON SUSPECTS, DEFENDANTS AND CONVICTS
Article 63
Persons to conduct and attend the first questioning of the defendant under arrest
1. The police authority who arrests a person in flagrante delicto must present that person for the first judicial questioning as soon as possible, but under no circumstances shall they do so after seventy two hours from the arrest.
Rights during investigation - arbitrary arrest or detention and deprivation of liberty
EDIT.