P.R. Laws tit. 31, § 1164
The owner of the land sown or planted upon in good faith shall have the right to appropriate as his own the sowing or planting, by previously paying the compensation specified in §§ 1468 and 1469 of this title, or to compel the person who planted to pay the price of the land, and the person who sowed, the corresponding rent.
The owner of the land which has been built upon in good faith shall have the right to appropriate as his own the work, by previously paying to the owner of the work the cost of the materials and labor, or the cost of reproducing the work at the time the owner of the land exercises his right, deducting depreciation, whichever is greater, or to compel the person who constructed to pay the value of the land.
History —Civil Code, 1930, § 297; June 16, 1964, No. 56, p. 156.