D. Puerto Rico April 1987 casesChiriboga v. SaldanaFederal Savings & Loan Insurance v. Shearson-american Express, Inc.Santana Salgado v. DuPont Pharmaceutical, Inc.U.S. v. Tormos-VegaSecretary of Labor v. TurnageDel Valle Fontanez v. AponteCulebras Enterprises v. Rivera Rios