ATP ADDENDUM ATP ADDENDUM The following protocol shall be used. By signing the daily alternate (Lucky Loser) list they are declaring that they are  on-site and ready to play, if needed. While every effort will be made by ATP staff  to locate the alternate/LL teams it is the alternate/lucky loser teams/players re - sponsibility to keep ATP staff informed of their whereabouts and to remove their  names if they leave the site or otherwise become unavailable for substitution.  NOTE:  Until further notice, only 3 Alternates/Lucky Losers will be allowed on-site  at a time. The ATP reserves the right to modify the number of Alternates/Lucky  Losers allowed on-site based on the tournament draw size and local conditions. C. Vacancies – Doubles ATP Tour 2) If the withdrawal is from the advance acceptance list and prior to 12 Noon (EST)  on the Friday before the event, then the next team on the alternate list is moved  into the main draw*. * Exception  - If a player has to withdraw based on a medical reason or other un - avoidable circumstances after the entry deadline, but prior to 12 Noon (EST) on  the Friday before the event, his partner may enter again and repair with another  player who has not already been accepted into the doubles event, and this new  team may be considered for acceptance based on its position in the entry list  including any entry protection position (the repairing team must have a combined  entry ranking better than the first alternate team to remain as a Direct Accep - tance). The repairing team entry must be received prior to the withdrawal dead line by a player relations staff member or the ATP Supervisor. Players are allowed  to use the repair option up to 3 times per a calendar year. D.Prior to Qualifying Competition 3) ATP Challenger Tour.  After the withdrawal deadline and prior to the start of  Qualifying, vacancies will be filled in ranking order from the original main draw  acceptance list by players who have preserved their position on the list. Players  from the main draw alternate list who are directly accepted into qualifying are con - sidered to have preserved their eligibility. A player can only preserve his eligibility  on one list. If there are no Alternates from the original main draw acceptance list  who have preserved eligibility, the vacancy will be filled by the highest ranked  player from the qualifying or alternate list using the FedEx ATP Rankings, and  then FedEx ATP Doubles Rankings, used for seeding.  If the vacancy was created by the withdrawal of a seed, then the procedures for  replacing seeds are followed and the vacancy created by replacing the seed is  filled by the next highest positioned player(s) from that event’s alternate sign-in  list, following the protocol specified above. 7.22 On-Court Procedures and Requirements L. Electronic Review / Electronic Review - Line Calling (Live ELC) B. Electronic Review – Line Calling (Live ELC) The use of an approved Live ELC electronic line calling system is temporarily autho - rized for use at select ATP events based on COVID-19 imposed limitations. 388 389 3) b)  ATP Tour Masters 1000 2) c)  ATP Tour 500 1) c)  ATP Tour 250 J. Repeal of Withdrawal Fines and/or Penalties J. Repeal of Withdrawal Fines and/or Penalties 2) ATP Tour 500 3) ATP Tour Masters 1000 c) Appeal  – The player may appeal any applicable fine to the SVP – Rules &  Competition by 6:00 PM Eastern USA on the Tuesday of the event week. d) Appeal  - The player may appeal any applicable fine to the SVP – Rules &  Competition by 10 days from the Monday of the event week. There will be no ranking penalty assessed for any player withdrawing after the en - try/withdrawal deadline. Third and subsequent withdrawals from an ATP Tour 500  or ATP Tour Masters 1000 will be fined according to the chart found at  8.04 B. 1) i)  aa) . Players may appeal withdrawal penalties to the SVP – Rules & Competition. 1) & 2) ATP Tour 500 and ATP Tour Masters 1000 D.Withdrawal Penalties 8.04 Player Code of Conduct (“Code”) VIII. THE CODE  6)  Physical requirements for the on-site booth to be confirmed..  5)  If equipment is available, automatic replays of the call will be shown on the video  boards on point ending shots that are “out” by 15 centimeters or less. Winning  shots warranting a replay will be manually directed to the video board by the Re - view Official. 4)  If the Live ELC system fails to make a call, the call shall be made by the Chair  Umpire. If the Chair Umpire is unable to determine if the ball was in or out, then  the point shall be replayed. This protocol applies only to point ending shots or  in the case when a player stops play. In the case where there is no call, and the  player stops play, the umpire shall call for the shot to be displayed on the video  board for confirmation. 3) In the unlikely event the Live ELC system malfunctions, play will be delayed for up  until such time as the issue is corrected or 15 minutes have elapsed. If the issue  is not resolved within 15 minutes the ATP Tour Supervisor will decide when and  how the match will resume. 2)  Foot-faults will be called by a Review Official monitoring two (2) court-level cam - eras placed on the baseline and on the center service line at each end of the court  if available or the Chair Umpire. 1)  There shall be no line umpires. All lines shall be called using the Live ELC System  approved by ATP to call all lines.