Federal Act
on Private International Law
(PILA)

¹ An ac­know­ledg­ment in Switzer­land may be made in ac­cord­ance with the law of the state of the child’s ha­bitu­al res­id­ence, the law of the child’s state of cit­izen­ship, or the law of the dom­i­cile or of the state of cit­izen­ship of the moth­er or the fath­er. The date of the ac­know­ledg­ment is de­cis­ive.

² The form of an ac­know­ledg­ment in Switzer­land is gov­erned by Swiss law.

3 The chal­lenge of an ac­know­ledg­ment is gov­erned by Swiss law.