G424       GATE ZONE is OFF LIMITS. A ROBOT may not contact, directly or transitively though a SCORING ELEMENT, an opponent ROBOT if either ROBOT is in the opponent’s GATE ZONE, regardless of who initiates contact. Exceptions:

G426       LOADING ZONE protection. A ROBOT may not contact, directly or transitively through a SCORING ELEMENT, an opponent ROBOT while either ROBOT is in the opponent’s LOADING ZONE, regardless of who initiates contact.

G423       *Do not use strategies intended to shut down major parts of gameplay.  A ROBOT or ROBOTS may not, in the judgment of a REFEREE, isolate or close off any major element of MATCH play for a greater-than-MOMENTARY duration.

G431       *DRIVE TEAMS, watch your reach. Once a MATCH starts, a DRIVE TEAM member inside the FIELD may not: