Issue link: http://itf.uberflip.com/i/536583
13 7. Give a prompt unsighted signal when not able to make a call. 8. Correct a wrong call immediately. 9. Never call a ball "Out/Fault" until it actually hits out. 10. Remain silent if the Chair Umpire overrules a call. All player enquiries must be referred to the Chair Umpire. 11. Report immediately to the Chair Umpire if he/she witnesses a Code Violation not witnessed by the Chair Umpire. 12. Go with a player who takes a toilet or change of attire break to ensure the player does not use the break for any other purposes. If a violation of the procedure takes place, the Line Umpire shall tell the player that he/she is breaking the rules and report this to the Chair Umpire. 13. Not catch balls or hold towels for players. 14. Not converse with spectators. 15. Never applaud players. 16. Not leave the court without the permission of the Chair Umpire. R. PLAYER REPRESENTATION A player representative shall be appointed to represent the interests of the players at the tournament. S. BALLPERSONS All ballpersons shall assist the players as directed by the Chair Umpire. Ballpersons should not wear clothing in light colours that can interfere with the vision of the players. T. SCHEDULING / ORDER OF PLAY Each Grand Slam Tournament is responsible for the scheduling of matches and daily Order of Play. These decisions, before finalised or changed, should be made in close co-operation and consultation with the Tournament Director, Referee, Grand Slam Chief of Supervisors, player representative and/or any other parties helpful to a full and careful deliberation.