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