The purpose of the audit was to carry out an examination of the computer systems used in the processes of controlling the temporary admission granted to vehicles imported into free zones of extension covered by the Pasavante-Pasavante System franchise; control of the entry and dispatch of goods to and from the Free Zone -Electronic Visa Service Systems, SVE, and Remote Visa, SVR-; control and supervision of the merchandise clearance procedure from the Iquique Terminal Internacional, Electronic Import Visa System, VEI; record of the background on the alerts of determined risks and the result of the inspection and gauging operation, Daily Management Form, during the period from January 1 to December 31, 2017.