Section 1: Evidence and presumptions

Parentage is proved by the child’s birth certificate, by the acknowledgement certificate or by the notoriety certificate establishing possession of status. If an action is brought pursuant to Chapter III of this Title, parentage is proved and contested by any means, subject to the admissibility of the action.

The law presumes that the child was conceived during the period extending from the three hundredth to the one hundred and eightieth day, inclusive, before the date of birth. Conception is presumed to have taken place at any time during this period, according to what is required in the interest of the child. Evidence to the contrary is admissible to rebut these presumptions.

Possession of status is established by a sufficient collection of facts that reveal the filiation and kinship link between a person and the family to which he or she is said to belong. The main of these facts are: 1° That this person has been treated by the person or persons from whom he is said to have descended as their child and that he himself has treated them as…

Possession of status must be continuous, peaceful, public and unequivocal.