Part One. General Provisions
Section II. Participants in the Criminal Court Proceedings
Chapter 7. Participants in the Criminal Court Proceedings on the Side of the
Defence
Article 46. The Suspect
4. 6) to give the evidence and the explanations in his native tongue or in the language, of which he has a good command;
7) to make use of an interpreter's services free of charge ;
Language
Rights during investigation - access to interpreter and translation if questioned in other language
EDIT.