G408      ROBOTS, no HIGH NOTES. A ROBOT may not cause a HIGH NOTE to leave the FIELD (including through an AMP or SPEAKER), score on a MICROPHONE, or enter a TRAP.

G429      *NOTE delivery. A NOTE may only be introduced to the FIELD through the SOURCE.

G428      *Humans: use GAME PIECES as directed. A DRIVE TEAM member may not deliberately use a GAME PIECE in an attempt to ease or amplify a challenge associated with a FIELD element. 

G407      *Keep NOTES in bounds. A ROBOT may not intentionally eject a NOTE from the FIELD (either directly or by bouncing off a FIELD element or other ROBOT) other than through a SPEAKER or AMP.