Art. 177 CrimPC from 2023

Art. 177 Examination Hearings with Witnesses
1 The authority conducting the examination hearing shall caution the witness at the beginning of each hearing with regard to the obligations to testify and to tell the truth and advise the witness of the penalties for perjury in terms of Article 307 SCC (1) . If no caution is given, the examination hearing is invalid.
2 The authority conducting the examination hearing shall question each witness at the beginning of the first hearing as to his or her relationship with the parties and as to other circumstances that may be relevant to the witness's credibility.
3 It shall caution the witness as to the rights to refuse to testify as soon as it becomes apparent through questioning or the files that such rights apply. If no caution is given and the witness subsequently exercises the right to refuse to testify, the examination hearing is inadmissible.
(1) SR 311.0Es besteht kein Anspruch auf Aktualität und Vollständigkeit/Richtigkeit.