Art. 170 CrimPC from 2023

Art. 170 Right to refuse to testify due to official secrecy
1 Public officials as defined in Article 110 paragraph 3 SCC (1) and their auxiliaries as well as members of authorities and their auxiliaries may refuse to testify on secret matters communicated to them in their official capacity or which have come to their knowledge in the exercise of their office or their auxiliary activity. (2)
2 They must testify if they have been given written authorisation to do so by their superior.
3 The superior shall grant authorisation to testify if the interest in establishing the truth outweighs the interest in preserving secrecy.
(1) SR 311.0(2) Amended by Annex 1 No 8 of the Information Security Act of 18 Dec. 2020, in force since 1 Jan. 2023 (AS 2022 232, 750; BBl 2017 2953).
Es besteht kein Anspruch auf Aktualität und Vollständigkeit/Richtigkeit.