During the Set the Libero Tracker Shall?

Record all substitutions and libero replacements on the libero tracking sheet accurately, so the libero tracking sheet reflects the six players who are actually on the court at all times and ensure that when the libero leaves the court, the player replacing the libero must be the same player that the libero replaced ...

What does libero tracker do?

The assistant scorer (libero tracker) records all substitutions. When a player (not a libero) is substituted out of the game, her number is crossed off and the player's number entering the game is written on the line. There are unlimited libero replacements but only 18 substitutions per game.

Can the libero replace a disqualified player?

If the libero is expelled or disqualified while playing, he/she must be replaced by the player whom he/she replaced. The team continues play with no libero player.