P.R. Laws tit. 31, § 3132
2019-02-20 00:00:00+00
The debtor cannot exempt himself from the fulfilment of the obligation by paying the penalty, unless such right has been expressly reserved to him. Neither may the creditor exact the fulfilment of the obligation and also the payment of the penalty, unless such right has been clearly granted him.
History —Civil Code, 1930, § 1107.