Art. 54 PILA from 2022

Art. 54 2. Absence of a choice of law
1
2 If the spouses have never been domiciled at the same time in the same state, the law of their common citizenship applies.
3 Spouses who have never been domiciled in the same state and who do not have a common citizenship are subject to the Swiss rules on separation of property.
Es besteht kein Anspruch auf Aktualität und Vollständigkeit/Richtigkeit.