GENERAL PART
Section One : GENERAL PROVISIONS
CHAPTER 2. PRINCIPLES OF CRIMINAL PROCEEDINGS
Article 15. Language of Criminal Proceedings
1. Criminal proceedings shall be conducted in the Armenian language. Everyone has the right to use, in the course of criminal proceedings, the language he masters, except the body conducting the criminal proceedings.
2. By decision of the body conducting the criminal proceeding, the persons participating in criminal proceedings, who lack sufficient command of the language of criminal proceedings, shall be provided, free of charge, with the possibility to exercise, with the help of an interpreter, all rights belonging to them under the provisions of this Code.
3. Certain persons, who lack sufficient command of the language of criminal proceedings, shall receive a verified copy of those documents, which, in accordance with law, should be delivered to them in their native language.
4. Documents in other languages are attached to the case with the translation into the Armenian language.
Language
Rights during investigation - access to interpreter and translation if questioned in other language
Rights during trial - interpretation and translation
EDIT.