Federal Act
on the Amendment of the Swiss Civil Code
(Part Five: The Code of Obligations)

¹ A joint and sev­er­al debt­or may raise against the cred­it­or only those ob­jec­tions that are based either on his per­son­al re­la­tion­ship with the cred­it­or or on the nature of or col­lect­ive reas­on for the joint and sev­er­al ob­lig­a­tion.

² Each joint and sev­er­al debt­or is li­able to the oth­ers if he fails to raise the ob­jec­tions which all of them are en­titled to raise.