Family Code of the Philippines

Article 177

Children conceived and born outside of wedlock of parents who, at the time of conception of the former, were not disqualified by any impediment to marry each other, or were so disqualified only because either or both of them were below eighteen (18) years of age, may be legitimated. (269a) (as amended by RA No 9858)

Article 178

Legitimation shall take place by a subsequent valid marriage between parents. The annulment of a voidable marriage shall not affect the legitimation. (270a) (as amended by RA No 9858)

Article 179

Legitimated children shall enjoy the same rights as legitimate children. (272a)

Article 180

The effects of legitimation shall retroact to the time of the child's birth. (273a)

Article 181

The legitimation of children who died before the celebration of the marriage shall benefit their descendants. (274)

Article 182

Legitimation may be impugned only by those who are prejudiced in their rights, within five years from the time their cause of action accrues. (275a)