The article aims at describing and interpreting the provisions which regulate disciplinary proceedings against advocates regarding the acquisition and use of depositions of the accused and witnesses on the facts covered by professional secrecy. According to the author, the accused advocate in execution of the right to defend herself or himself, when testifying or presenting evidence is entitled to disclose information covered by professional secrecy only within the scope necessary to refute the allegation. In the disciplinary proceedings, however, there is no possibility to free a witness – advocate (or any other person in possesion of information covered by professional secrecy) from the obligation of preserving discretion. Carrying out and using this kind of depositions as evidence is prohibited in disciplinary proceedings.