VI. FACILITIES & ON-SITE CONDITIONS 6.20  Automated External Defibrillator (“AED”) An Automated External Defibrillator (“AED”) must be provided in the Physiotherapist/ treatment room. In addition, AEDs must be located around the site so that an AED is  within 2-3 minutes from all areas of play. For ATP Challenger Tour events it is mandatory for an AED to be located in the Phys - iotherapist/treatment room and it is highly recommended that a sufficient number of  AEDs are located around the site so that an AED is 2-3 minutes from all areas of play  6.21 First Aid Each tournament must provide a First Aid Team present at all times on the tourna - ment site for public emergencies. The First Aid Team must be separate from the  medical team responsible for the care and treatment of the players. 6.22 Anti-Doping Facilities and On-Site Personnel Assistance A.On-Site Testing Facility 1) Each ATP Tour and ATP Challenger Tour tournament, when requested, is obligat - ed to provide at its own cost the following facilities: a)  A lockable private room with bathroom and an adjacent waiting room; or, at  the discretion of the Anti-Doping Personnel, b) An alternative on-site location with a suitable trailer. 2)  In addition, the tournament is required to provide at its own cost appropriate furni - ture, bottled water, fruit and television or court monitoring systems for the testing  facility as well as staff assistance for site set-up and facility maintenance during  the tournament. B.Volunteer Observers Provided by Tournament.  Each tournament must provide at its own cost male staff members and/or volunteers  who can assist the Official Anti-Doping Personnel and Supervisor with the observa - tion of players selected for testing. The Official Anti-Doping Personnel shall notify a  tournament of the number of personnel required no later than three (3) weeks prior to  the start of an event. See “Exhibit V” for full Anti-Doping Facilities Guidelines. A. General 6.23 Media Facilities Guidelines  (See ATP Addendum, page 384) All ATP Tour tournaments and the Nitto ATP Finals should provide adequate media  facilities. All media areas shall be gambling free zones and any and all persons cre - dentialed for this area, if found to be gambling on tennis or passing insider informa tion to third parties for use in connection with gambling, shall have their credentials  revoked. Media credentials must contain a provision whereby the media member  acknowledges and agrees that, except as allowed pursuant to Rule 6.09 E, he/she  will not disseminate, transmit, publish or release from the grounds of the Tournament  100 101 VI. FACILITIES & ON-SITE CONDITIONS any live match score or related live statistical data until :30 seconds after the actual  occurrence of the incident of match play or action that leads to such live score update (e.g., a point being scored), and that such use shall be solely for news reporting and  editorial use. B. Media Work Room 1) Location.  The media work room should be located as near as possible to the  player locker room. 2) Security.  Media work room must be secured with access provided only to properly  credentialed media, players and other tournament and ATP Staff when in the  performance of their duties. 3) Specifications.  Requirements / recommendations for the media work room can  be found in “Exhibit S - Media Facilities Guidelines”. C. Player Interview Room 1) Location.  Should be located near both the player locker room and the media  work room. 2) Specifications. D. Mixed Zone a) Must be “smoke free”. b) Sound proof c)  Interview room must be secured with access provided only to properly cre - dentialed media, players and other tournament and ATP Staff when in the  performance of their duties.  d) Interview backdrop shall comply with all branding requirements of ATP. e) Space to be provided for journalists, photographers and television personnel. 1) Location.  The Mixed Zone should be located as near as possible to the player  locker room and media work room. 2) Branding.  The Mixed Zone shall be branded as stated under the rules for Media  Backdrop (“Exhibit A.11”). Unless reasonably unable to do so, tournaments shall use web filtering technology  to restrict access to internet gambling sites in all areas where tournament provided  internet access is provided. See “EXHIBIT S” for full Media Facilities Guidelines. 6.24 Electronic Line Calling Facilities Guidelines The use of an approved electronic system for reviewing line calls and/or overrules is  authorized for use at ATP events.  See “Exhibit T - Electronic Line Calling Facilities Guidelines” and “Exhibit U - ELC  Review Official Protocol” for full Electronic Line Calling Facilities Guidelines and Pro - tocol.