Civil Code (Cap. 16), article 728

728. The interest on, or the fruits of, the thing bequeathed, shall, even in the absence of a judicial intimation, as prescri bed in the last preceding article, a ccrue in favour of the legatee immediately upon the death of the testator in any of the follow ing cases: (a) where the testator shall have expressly so directed; (b) where the subject of the legacy is a tenement, or a capital sum, or any other thing producing fruits. Legacy of life annuity or pension.