Article 106. Disposable third. –

1. The testator, in his will, cannot dispose of more than one-third of his estate. Any bequest in excess thereof shall not be given effect unless ratified by the heirs. In any case, the bequest must be accepted by the legatee.

2. A bequest to any sharer or residuary shall not be valid unless ratified by the testator’s heirs existing at the time of his death.