Puerto Rico Labor Relations Board v. Compañía Popular de Transporte, Inc.

Mr. Justice Todd, Jr.,

delivered the opinion of the Court.

The respondent, Compañía Popular de Transporte, eliminated the cleaning shift in its San Juan station between five o’clock in the afternoon and nine o’clock in the evening. The Unión de Empleados de Transporte, dissatisfied with the elimination of this shift, complained to the Grievance and Adjustment Committee of the Union and of the Compa-ñía Popular de Transporte. A hearing was held but since they could not reach a final agreement as to the solution of the case, both the union and the company sought the intervention of an arbitrator…