Official in-race announcements from Race Control concerning race procedures will be done via iRacing over the @RACECONTROL radio channel or the in-sim text channel.
Using text or voice chat on any public channels in the iRacing server is prohibited during the race or qualifying session. This includes preset messages such as Pass Right, Thanks, Pitting In. Penalty for using chat during race sessions is at the discretion of the Race Director.
Sending private in-sim messages to a driver who is out on track is prohibited during the race or qualifying session.