Mar 082014
The most current official racquetball rulebook (pdf file) can be downloaded from the teamusa.org website or from this link: Downloadable/Printable Rulebook-2023 Version.
The most significant changes were increasing the length of timeouts to one-minute, but limiting players to two timeouts per game and decreasing the amount of time between games two and three to 2 minutes. You may also note several other wording changes made only to clarify previously existing rules including the addition of jumping into the section involving hinders.