P.R. Laws tit. 31, § 2993
2019-02-20 00:00:00+00
Obligations arising from law are not presumed. Those expressly determined in this Code or in special laws are the only demandable ones, and they shall be governed by the provisions of the laws which may have established them and by those of this subtitle in regard to what has not been prescribed by said laws.
History —Civil Code, 1930, § 1043.