G428       CAGE protection. A ROBOT may not contact, directly or transitively through a SCORING ELEMENT, an opponent ROBOT in contact with an opponent CAGE during the last 20 seconds regardless of who initiates contact.

G419       ANCHORS are off-limits. A ROBOT may not contact the ANCHORS. Exceptions are granted for actions that are inconsequential.

G427       ZONE protection. A ROBOT may not contact, directly or transitively through a SCORING ELEMENT, an opponent ROBOT partially or fully inside the opponent’s BARGE ZONE or REEF ZONE regardless of who initiates contact.

G403       Limited AUTO opponent interaction. In AUTO, a ROBOT whose BUMPERS are completely across the BARGE ZONE (i.e. to the opposite side of the BARGE ZONE from its ROBOT STARTING LINE) may not contact an opponent ROBOT (either directly or transitively through a SCORING ELEMENT CONTROLLED by either ROBOT and regardless of who initiates contact).