CAMBODIA – CRIMINAL PROCEDURE CODE
BOOK THREE THE INVESTIGATIONS
TITLE 2 - INVESTIGATION OF FLAGRANTE DELICTO CASES
CHAPTER 3 - Police Custody
Article 96. Police Custody
Judicial police officers shall immediately report to the prosecutor and shall provide all relevant evidence required for such detention. The duration in police custody shall be 48 (forty eight) hours. The duration shall commence from the time when the detained person arrives at the police or Royal Gendarmeries Unit.
Fair trial standards
Rights during investigation - arbitrary arrest or detention and deprivation of liberty
EDIT.