D. Puerto Rico June 1990 casesDe-Castro v. Medinade Leon Lopez v. Corporacion Insular de SegurosPeople of Puerto Rico v. T. ChaparroHuertas-Laboy v. Rodriguez-GonzalezLipsett v. University of Puerto RicoCastrello Merced v. Hernandez ColonA.F.A.P.S v. Regulations