For detailed information concerning the risks that we have identified, see our Annual Report under Form http://www.americamovil.com/ sites/default/files/2017-04/ reporte-annual-2016.pdf 2016 Sustainability Report Our Internal Audit Department identifies the aspects of our subsidiaries' operations that carry the risk of fraud in order to incorporate their review and assessment into the relevant subsidiaries' annual auditing plan, monitor such risks, and ensure that they do not interfere with the achievement of our goals.