1) Line judges may solicit opinions from players to determine a call.

2) If a line judge calls a ball “out” and is overruled by the referee as “in”, what occurs next?

3) In a match with line judges, what line(s) are the players responsible for calling on the serve?

4) In the picture, the server's left foot is touching the baseline when the server is starting his service motion. If he lifts his foot off the baseline just before serve contact, should the line judge call a fault?

5) A delayed line call can raise suspicion of a line judge’s reliability.

6) The referee has the authority and responsibility to replace any line judge that does not perform to standards.

7) If a ball bounces close to the line, but the ball is not “out,” the line judge should without hesitation loudly call “in.”

8) Sideline judges should call "foot fault" if the player makes contact with the sideline of the non-volley zone while or immediately after volleying the ball.

9) As a line judge, when you cannot clearly see if a ball lands “in” or “out,” you should:

10) A line judge should only focus on the edge of her assigned line. They should ignore all other action on the court.

11) The line judge shown is signaling:

12) During time-outs, line judges are allowed to quickly check their cell phones.

13) If the bottom of the ball touches your assigned line, the ball is considered "in."

14) In a match with only 2 line judges available, what are the most helpful lines for them to call?

15) When a line judge notices coaching by a spectator other than during time-outs or between games, the line judge should extend their arms upward in a "V" motion.

16) If a line judge makes an "out" line call that ends the rally, the referee may immediately overrule the line judge's call (without an appeal from a player) if the referee clearly saw that the ball landed "in".

17) Besides watching their own line, what else should a line judge be paying attention to?

18) It is a fault if a wheelchair front wheel is touching the baseline or court surface when the ball is hit to make the serve. The baseline judge shall call "fault" and identify which wheel touched.

19) At the end of a match, line judges should not leave their posts until released by the referee.

20) Line judges should make wrong server and player out of position calls immediately when they occur.

21) When the ball lands, the picture above indicates the ball has bounced:

22) Players have the option to appeal a line judge’s call to the referee.

23) Line judges are allowed to check their mobile devices throughout the match as long as the phone does not ring.

24) In general, line judges are used for what matches:

25) Line Judges will give an "in" signal only at the end of a rally when the ball lands in the court close to the line. The "in" signal can be made immediately.

26) The proper “in” signal is:

27) A line judge should signal an out of position player by clasping both of their hands above their head.

28) A player/team may overrule a line judge's call if it is to their own disadvantage.

29) During the serve, a foot fault occurs when:

30) When can a line judge replacement occur?

31) Who determines if a line judge can sit during the match?

32) A line judge should get the attention of the lead referee at the end of the rally where a double bounce, player hit by a ball, coaching, or a player touching the net is observed by the line judge.

33) A line judge hitting the palm of their hand twice with a closed fist indicates what to the referee?

34) Balls that land “in” routinely do not necessitate a call. However, if the ball landed close to the line and the referee and/or player(s) cast a questioning glance in the line judge's direction, the line judge should respond firmly with an “in” hand signal.

35) A line judge repeatedly sliding one hand across the palm of their hand indicates what to the referee?

36) At the beginning of each game and after time-outs and other breaks in the game, the referee will check the readiness of the officiating team and receive a ready signal (raised hand) from each member.

37) Line judges should immediately raise and wave their hand, if necessary, to get the referee's attention when they clearly see other faults (e.g. double bounces, player hit by ball, player touching the net system while the ball is live).

38) The baseline judge, along with the referee, can call service foot faults and make line calls for the assigned baseline.

39) What should a line judge do when they see this situation, when the ball is contacted by the player before it bounces on the player's end?

40) The rules do not require line judges or referees to clearly see a space between a line and the ball when making an "out" call.