Art. 88 PILA from 2022

Art. 88 3. Jurisdiction at the location of assets
1 If the deceased was a foreign citizen domiciled abroad, the Swiss judicial or administrative authorities have jurisdiction to deal with those parts of the estate that are located in Switzerland to the extent that the foreign authorities do not deal with them.
2 If there are assets located in different places, the Swiss authority before which the matter was first brought has jurisdiction.
Es besteht kein Anspruch auf Aktualität und Vollständigkeit/Richtigkeit.