V. PERSONNEL V. PERSONNEL 5.06 Supervisor  (See ATP Addendum, page 376) having to play two singles matches in one day, or if necessary to complete the  event, move a match to another court, indoors or outdoors, regardless of surface. A.Assignment & Designation 1) ATP Tour Tournaments 2) ATP Challenger Tour Tournaments B.Fees and Expenses ATP Tour and ATP Challenger Tour Tournaments C.General D.Responsibilities  5.07 Chair Umpire /  Review Official  (See ATP Addendum, page 377) E. Clothing - ATP Tour A.Assignment and Designation Process An ATP Supervisor shall be provided by ATP for each ATP Tour tournament. ATP shall provide a Supervisor for each ATP Challenger Tour tournament.  ATP shall pay the fees and travel expenses of the supervisors hired by ATP. Each tournament must provide each Supervisor with single room hotel accommo - dations, meals and laundry. Complimentary rooms shall be in the player hotel or  another hotel approved by ATP or the Supervisor. The Supervisor at each ATP Tour and ATP Challenger Tour tournament is pro - vided by ATP. Whenever the Supervisor is not available, the Supervisor shall  designate an approved Referee or ATP Official to assume all duties and respon - sibilities. (All references to Supervisor includes “or his designee.”) In all ATP Tour and ATP Challenger Tour tournaments the Supervisor shall: 1)  Act as ATP’s representative, speaking with the full authority of ATP during the  tournament. 2)  Act as final on-site authority ensuring that the tournament is conducted fairly in  accordance with ATP’s Rules and Regulations as to all matters arising that re - quire immediate resolution at the tournament site including the evaluation of tour nament compliance with Facilities and On-Site Condition requirements. 3)  Issue player conduct fines as necessary and appropriate. 4)  Direct, supervise, instruct and evaluate the Referee, Chief of Umpires and all on- court officials, including the authority to: a) Make the assignment of all Chair Umpires and approve all Line Umpires and  net judge for tournament matches. b) Remove a Chair Umpire and/or remove, rotate or replace any Line Umpire or  net judge when necessary to improve the officiating of a match. 5)  Make all draws for the qualifying and main draw competitions. 6)  When weather or other conditions threaten the immediate safety of the players,  spectators, officials or any other persons on the tournament site, the Supervisor  may suspend or postpone the match(es) until such time that in his opinion the  threat to safety is no longer evident. 7)  Decide if a court is fit for play or decide if a match should be moved to another  court. The Supervisor may, if necessary to eliminate the possibility of a player  77 76 8)  Serve as the Chairman of the scheduling committee and make the final decision  on all scheduling matters if the committee is not in agreement. Ensure that the  daily order of play is posted on the bulletin board and at the official hotel. 9)  Designate a highly visible place in the general player area as the official bulletin  board.  10)  Designate a visible timepiece at a fixed location as the “Official Clock” of the tour - nament. 11)  Designate a specific area from which matches shall be called and determine  when a match is to be called. 12)  Maintain a continuous dialogue during the week with the Tournament Director  and submit a report to ATP evaluating the tournament, including attendance, and  officials. The Tournament Director shall receive a copy of the report prior to the  Supervisor’s departure. 13)  Decide with the Tournament Director the designation of the lowest tier of seats  that surround the playing area of the courts at each tournament. The officiating uniform provided by ATP must be worn. No other commercial branding  may be applied to the uniform without prior approval from ATP. 1) ATP Tour Tournaments. Officials required to support the tournament are as fol - lows: ATP shall hire designated Chair Umpires as follows: Main Draw Size (Singles) Total # of chair Umpires 96 9 56 7 48 5 32 4 28 4 NOTE:  In the event the tournament elects to employ the services of an electronic  line calling system, ATP will hire a Review Official in addition to the Chair Umpires  as stated above.  Each tournament is required to provide supplemental Chair Umpires approved  by ATP for the qualifying competition as well as for some main draw matches  not covered by the designated Chair Umpires hired by ATP. Supplemental Chair  Umpires must have international certification of Gold, Silver or Bronze.