SERVICIOS PARA EL APOYO EN LA REVISIÓN DE CONTRATOS Y CONVENIOS EN MATERIA DE OBRAS PÚBLICAS Y SERVICIOS RELACIONADOS CON LAS MISMAS EN MATERIA DE ADQUISICIONES ARRENDAMIENTOS Y SERVICIOS Y DE TODAS AQUELLAS CONTRATACIONES PAGADAS CON RECURSOS PROVENIENTES DEL DERECHO EQUIVALENTE AL CINCO AL MILLAR EN TÉRMINOS DEL ARTÍCULO 191 DE LA LEY FEDERAL DE DERECHOS

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