Civil Code (Cap. 16), article 702

702. (1) Where the subject of the legacy is a thing which, at the time of the will, was already the property of the legatee, such legacy shall be null. (2) If the legatee shall have acquired the thing forming the subject of the legacy at any time after the will, either from t he testator himself under an onerous title, or from any other pers on under any title whatsoever, he s hall, in the event of the exist ence of the circumstances referred to in article 696 be entitled to cla im the value of such thing, notwithstanding the provisions of article 743. (3) Where the legatee shall have acquired the thing from the testator under a gratuitous titl e, the legacy shall be consider ed to be adeemed. Legacy of a debt due to testator.