These factors include the level of services provided, response times to technical issues, downtime (both planned and unplanned), and repairs and maintenance. No leakage of funds, administrative use authorizations or colocation contracts used by the company or its subsidiaries as of July 9, 2013 have expired or been terminated. A variety of optional elements appear in this model, and among the most important are those that take care of the repair and maintenance of the customer`s devices. Depending on the options chosen, this is either the responsibility of the customer or the service provider. Options should be selected with caution. Without limiting the generality of Section 3, TowerCo expressly acknowledges that this sublease for each website is subject to all existing subleases that impact that site, including, but not limited to, existing subleases made prior to the website launch date, in accordance with a colocation agreement. . . .