1 The Swiss authorities at the place of birth or habitual residence of the child as well as the authorities at the place of domicile or citizenship of the mother or the father shall have juris- diction to receive an act of acknowledgment of a parent-child relationship.
2 In the case of a judicial proceeding in which a parent-child relationship is relevant, the judge hearing the action may receive an act of acknowledgment.
3 The same courts that have jurisdiction over the establishment or contest of a parent-child relationship (Art. 66 and 67) shall have jurisdiction over the contest of an acknowledgment.