Part One. General Provisions
Section II. Participants in the Criminal Court Proceedings
Chapter 8. Other Participants in the Criminal Court Proceedings
Article 56. The Witness
4. A witness shall have the right:
1) to refuse to testify against himself, his (her) spouse and other close relatives,
whose circle is delineated by Item 4 of Article 5 of the present Code. If the witness
consents to furnish evidence, he shall be warned that his testimony may be used as the proof in the criminal case, even if he subsequently renounces them;
2) to give evidence in his native tongue or in the language, of which he has a good command;
3) to make use of an interpreter's services free of charge;
4) to enter a recusation against the interpreter, taking part in his interrogation;
5) to enter petitions and file complaints against the actions (the lack of action) and decisions of the inquirer, the investigator and the prosecutor, or of the court;
6) to come to an interrogation with a lawyer, in conformity with the fifth part of Article 189 of the present Code;
7) to make a request for the application of the measures of security, stipulated by the third part of Article 11 of the present Code .
Witnesses' rights - national proceedings
EDIT.