Swiss Civil Procedure Code
(Civil Procedure Code, CPC)

¹ Any per­son who claims to have a bet­ter right in the ob­ject of a dis­pute, to the total or par­tial ex­clu­sion of both parties, may bring a claim dir­ectly against both parties in the court in which the dis­pute is pending in first in­stance.

² The court may either sus­pend the pro­ceed­ings un­til the case of the prin­cip­al in­ter­ven­or is fi­nally con­cluded, or join the two cases.