Swiss Criminal Procedure Code

¹In the course of po­lice en­quir­ies, the po­lice may sum­mon per­sons for the pur­poses of ques­tion­ing, es­tab­lish­ing their iden­tity or for oth­er iden­ti­fic­a­tion pro­ced­ures without the re­quire­ment to com­ply with spe­cial form­al­it­ies or time lim­its.

²Any per­son who fails to com­ply with a po­lice sum­mons may be brought be­fore the au­thor­ity con­cerned on the basis of a war­rant is­sued by the pub­lic pro­sec­utor provided the per­son summoned has been is­sued with a writ­ten warn­ing that this meas­ure may be taken.