CAMBODIA – CRIMINAL PROCEDURE CODE
BOOK 4 INVESTIGATIONS
TITLE 1 - Investigating Judge
CHAPTER 2 - INVESTIGATION BY AN INVESTIGATING JUDGE
Section 4 Interviewing of Witnesses
Article 156. Authorized Witness without Swearing
The following witnesses are authorized to make a statement without swearing:
1. The father, mother and ascendants of the accused person;
2. The sons, daughters and all other descendants of the accused person;
3. The brothers and sisters of the accuse person;
4. The brother-in-laws and sister-in-laws of the accused person;
5. The spouse of the accused person, even if they have been divorced;
6. Any child who is less than 14 years old.
Rights during investigation - self incrimination
Rights during trial - unsworn oral or written statement in defence
EDIT.