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Cambodia
Practice Relating to Rule 100. Fair Trial Guarantees
Section H. Assistance of an interpreter
Cambodia’s Law on the Establishment of the ECCC (2001), as amended in 2004, provides in its chapter on investigations:
During the investigations, the Suspects shall be unconditionally entitled to assistance of counsel of their own choosing, … as well as the right to interpretation, as necessary, into and from a language they speak and understand. 
Cambodia, Law on the Establishment of the ECCC, 2001, as amended in 2004, Article 24 new.
In the Law’s chapter on the proceedings of the Extraordinary Chambers, it is further provided:
In determining charges against the accused, the accused shall be equally entitled to the following minimum guarantees, in accordance with Article 14 of the International Covenant on Civil and Political Rights.
f. to have the free assistance of an interpreter if the accused cannot understand or does not speak the language used in the court. 
Cambodia, Law on the Establishment of the ECCC, 2001, as amended in 2004, Article 35 new.