SERVICIOS PARA EL APOYO EN LA ATENCIÓN Y REVISIÓN DE LOS PROYECTOS DE OPINIÓN DE LOS CONTRATOS Y CONVENIOS QUE SE PRETENDAN CELEBRAR EN MATERIA DE LA LEY DE OBRAS PÚBLICAS Y SERVICIOS RELACIONADOS CON LAS MISMAS PAGADOS CON RECURSOS PROVENIENTES DEL DERECHO DEL CINCO AL MILLAR EN LOS TÉRMINOS DEL ARTÍCULO 191 DE LA LEY FEDERAL DE DERECHOS

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