Federal Act
on Private International Law
(PILA)

¹ The ar­bit­ral tribunal shall de­cide on its own jur­is­dic­tion.

^1bis It shall de­cide on its jur­is­dic­tion without re­gard to any ac­tion hav­ing the same sub­ject mat­ter that is already pending between the same parties be­fore a state court or an­oth­er ar­bit­ral tribunal, un­less there are sub­stan­tial grounds for a stay in pro­ceed­ings.¹⁸²

² Any ob­jec­tion to its jur­is­dic­tion must be raised pri­or to any de­fence on the mer­its.

³ The ar­bit­ral tribunal shall, in gen­er­al, de­cide on its jur­is­dic­tion by a pre­lim­in­ary de­cision.