P.R. Laws tit. 31, § 3170
2019-02-20 00:00:00+00
The debtor of a thing cannot oblige his creditor to receive a different one, even though it should be of equal or greater value to that due.
Neither in obligations of doing can a prestation be substituted by another against the will of the creditor.
History —Civil Code, 1930, § 1120.