Related Rule
Switzerland
Practice Relating to Rule 100. Fair Trial Guarantees
Section F. Trial without undue delay
Switzerland’s Criminal Procedure Code (2007), as amended to 2012, which regulates the prosecution and adjudication by the federal and cantonal criminal justice authorities of offences under federal law, including war crimes, states:
Article 5
1. The criminal justice authorities shall commence criminal proceedings immediately and conclude them without unjustified delay.
2. Where an accused is in detention, the proceedings shall be conducted as a matter of urgency. 
Switzerland, Criminal Procedure Code, 2007, as amended to 2012, Article 5(1) and (2).