P.R. Laws tit. 31, § 505
The action for the recognition of natural children, can only be established during the life of the presumptive parents, and a year beyond their death except in the following instances:
(1) If the father or the mother shall have died during the minority of the child, in which case, the child may bring his action before the first four years of his having attained his majority, shall have elapsed.
(2) If after the death of the father or mother there shall appear a written statement or document, of which no notice was previously had, wherein the child is expressly recognized.
In this case the action shall be established within the next six months after the document has been discovered.
The recognition of a child not having the qualifications provided for in paragraph first of § 504 of this title can be disputed by whomsoever may be affected thereby.
History —Civil Code, 1930, § 126.