GENERAL PART
SECTION I. GENERAL PROVISIONS
CHAPTER 2. PRINCIPLES OF CRIMINAL PROCEDURE
Article 23. Language of Court Proceedings
(1) Court proceedings shall be administered in the national language or in the Russian language.
(2) Persons participating in the proceedings who do not speak the language the hearing is administered in, shall be secured the right to make statements, to testify, to put forward motions, to study the dossier of the case, to speak in court in their native languages and use services of an interpreter.
(3) A copy of the document of accusation and of the verdict (ruling, resolution) shall be handed to the accused or the convicted person with translation into his native language or any other language he speaks.
Fair trial standards
Rights during trial - interpretation and translation
EDIT.