FRCTools

G420       TOWER protection. A ROBOT may not contact, directly or transitively through a SCORING ELEMENT, an opponent ROBOT in contact with an opponent TOWER during the last 30 seconds of the MATCH regardless of who initiates contact.

Violation: MAJOR FOUL and if the opponent ROBOT is off the ground the opponent ROBOT is awarded LEVEL 3 TOWER points.

Transitive contact requires that each robot is contacting the same SCORING ELEMENT(S) simultaneously.

7.4.5       Human

Similar Rules

Rule G412
G412       Watch your FIELD interaction. A ROBOT is prohibited from the following interactions with FIELD elements (with the exception of the RUNGS and UPRIGHTS):
Rule G424
G424       *Humans: use SCORING ELEMENTS as directed. A DRIVE TEAM member may not deliberately use a SCORING ELEMENT in an attempt to ease or amplify a challenge associated with a FIELD element. 
Rule G401
G401       *Behind the lines. In AUTO, each DRIVE TEAM member must remain in their staged areas. A DRIVE TEAM member staged behind a HUMAN STARTING LINE may not contact anything in front of that HUMAN STARTING LINE, unless for personal or equipment safety, to press the E-Stop or A-Stop, or granted permission by a Head REFEREE or FTA.
Rule G418
G418       *There’s a 3-count on PINS. A ROBOT may not PIN an opponent’s ROBOT for more than 3 seconds. A ROBOT is PINNING if it is preventing the movement of an opponent ROBOT by contact, either direct or transitive (such as against a FIELD element). A PIN count ends once any of the following criteria below are met: