P.R. Laws tit. 31, § 2261
The following are disqualified to succeed by reason of unworthiness:
(1) Parents who have abandoned their children or prostituted their daughters or made attempts against their chastity.
(2) He who has been sentenced in a trial for having made attempts against the life of the testator, his spouse, descendants or ascendants.
(3) He who has accused the testator of a crime for which the law imposes an exemplary punishment, when the accusation is declared libelous.
(4) The heir of age who, knowing of the violent death of the testator, has not denounced it to the courts within one month, unless the latter had already acted ex officio.
(5) A person sentenced at a trial for adultery with the wife of the testator.
(6) He who, by threats, fraud, or violence, forces the testator to make a will or to change it.
(7) He who, without a lawful reason, fails to comply with an administrative or court order compelling him/her to support an ascendant or decedent.
(8) He who physically abuses an ascendant or decedent.
(9) He who abandons an ascendant without just cause.
History —Civil Code, 1930, § 685; Feb. 13, 1998, No. 42, § 1; July 19, 1998, No. 151, § 1; Aug. 17, 2011, No. 188, § 1.