Art. 1 SCA from 2019

Art. 1 Acquisition and Loss of Citizenship by Law
1
2 The minor foreign child of a Swiss father who is not married to the child's mother acquires Swiss citizenship as if at birth on establishing filiation with the father.
3 If a minor child who acquires Swiss citizenship under paragraph 2 has children, they also acquire Swiss citizenship.
Es besteht kein Anspruch auf Aktualität und Vollständigkeit/Richtigkeit.