Civil Code (Cap. 16), article 227

227. The children or descendants of the absentee may, likewise, within the time prescribed in article 845, to be reckoned from the grant of absolute possession or from the day on which the declaration of the opening o f the succession may have been obtained, enforce thei r rights on the property of the absentee according to the rules laid down in the last preceding article, without being bound to prove his death. Other rights. 228. If after the grant of absolute possession, the time of the death of the absentee is establi shed, such persons as, at that time, were his heirs or legatees, or were vested with any right in consequence of the death, or thei r successors, may bring the ac tions competent to them, saving the rights which the possessors may have acquired by prescription, and the effects of good faith in regard to the fruits already collected. Sub-title IV OF THE EFFECTS OF ABSENCE IN REGARD TO EVENTUAL RIGHTS OF THE ABSENTEE Claiming of rights on behalf of person not known to be living.