Rules

2. Permanent Fixtures
The permanent fixtures of the Court shall include not only the net, posts, singles sticks, cord or metal cable, strap and band, but also, where there are any such, the back and side stops, the stands, fixed or movable seats and chairs round the Court, and their occupants, all other fixtures around and above the Court, and the Umpire, Net-cord Judge, Footfault Judge, Linesmen and Ball Boys when in their respective places.

ITF Note: For the purpose of this Rule, the word "Umpire" comprehends the Umpire, the persons entitled to a seat on the Court, and all those persons designated to assist the Umpire in the conduct of a match.