Civil Code (Cap. 16), article 720

720. (1) If the heir has been instituted subject to a condition of the nature of those mentioned in article 716, there shall be appointed an administrator of the inheritance until such condit ion is fulfilled or it is certain that it cannot be fulfilled. (2) An administrator shall also be appointed when the heir or the legatee fails to give the s ecurity required under the last two preceding articles, as well as in the case in which the institu ted heir is the immediate issue, as yet unconceived, of a person living at the time of the death of the testa tor as provided in article 600. CIVIL CODE [CAP. 16. 187 (3) Such administrator shall have the same powers and duties as the curator of a vacant inhe ritance, subject to any other di rection which, according to circumstan ces, the court shall deem fit to give. OF THE EFFECTS OF LEGACIES AND OF THE PAYMENT THEREOF Right to receive pure and simple legacy, transmissible to heirs of legatee.