Swiss Criminal Procedure Code
(Criminal Procedure Code, CrimPC)

¹ A per­son has the ca­pa­city to testi­fy if he or she is over the age of 15 and has the re­quired men­tal ca­pa­city with re­gard to the sub­ject mat­ter of the ex­am­in­a­tion hear­ing.

² Every per­son with the ca­pa­city to testi­fy is ob­liged to make a state­ment and to tell the truth, sub­ject to the pro­vi­sions on rights to re­fuse to testi­fy.