PART TWO COURSE OF PROCEDURE
Chapter XVIII INVESTIGATING ACTS
5. Hearing of witnesses

Article 221
The witness is not obliged to answer particular questions if he is likely to expose himself or his close relatives (Article 219, paragraph 1, items 1 to 3) to severe embarrassment, significant material damage or criminal prosecution .

PART TWO COURSE OF PROCEDURE
Chapter XVIII INVESTIGATING ACTS
5. Hearing of witnesses

Article 223-a
(1) If there is any probability that by giving a statement or by answering a certain question, the witness, collaborator of justice or the victim i.e. the person who suffered some damage, would expose himself or herself or another closely related person to a serious threat to their life, health or physical integrity (endangered witness), the endangered witness may withhold his statement or the presentation of information as referred to in Article 223, paragraph (3) of this Law, until the necessary conditions for his or hers protection are provided for.
(2) The protection of the endangered witness, consists of a special method of examination and participation in the procedure regulated by this Law (Chapter XIX-a) and by application of protective measures outside the procedure, regulated by another law.
(3) If the investigative judge believes that the threat apprehension, as referred to in paragraph (1) of this Article is well founded, he or she shall terminate the examination and will undertake urgent actions, pursuant to the provisions for protection of witnesses, collaborators of justice or victims, regulated by this Law.
(4) If the investigative judge believes that the request as referred to in paragraph (1) of this Article is unfounded, he or she shall act pursuant to Article 229 of this Law. (1)
Article 224