G406      *ROBOTS: use GAME PIECES as directed. A ROBOT may not deliberately use a GAME PIECE in an attempt to ease or amplify a challenge associated with a FIELD element.

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.

G430      HIGH NOTE delivery. A HIGH NOTE may only be entered on to the FIELD during the last 20 seconds of the MATCH by a HUMAN PLAYER in front of the COACH LINE.