English, Cantonese, or both the languages at the same time.
Recourse to an Interpreter
Possible.
Sources of the Law and Legal Similarities
Hong Kong's judicial system continues to be based on the English Common Law and the Rules of Natural Justice of Great Britain. In order to maintain autonomy in its judicial system, HK-SAR shows its attachment to the primacy of the "rule of law" as the fundamental law. The judicial system works independently of the system of mainland China.