The Swiss authorities online
Since 1 July 2014, joint custody applies.
If the parents of the child are not married to each other, they must make a joint written declaration in order to establish joint parental authority. The parents must declare that they:
The declaration can be made at the civil register office at the time of recognition of the child, or at a later date at the Child Protection Authority.
Until such a declaration is made, parental authority is awarded solely to the mother.
If one of the parents refuses to make a declaration on joint parental authority, the other parent may contact the child protection authority at the child’s place of residence.