Disinheritance made without a statement of the reason, or for a reason the truth of which, if contradicted, should not be proven or which should not be one of those mentioned in the four following sections, shall annul the designation of heirship insofar as it prejudices the person disinherited, but the legacies, advantages or extra portions, and other testamentary provisions, insofar as they do not prejudice said legal portion, shall be valid.\nHistory —Civil Code, 1930, § 776.
Puerto Rico Legal Code