G401       *Keep GAME PIECES in bounds. Robots may not intentionally eject GAME PIECES from the Field (either directly or by bouncing off a Field element or other Robot).

G403       1 GAME PIECE at a time (except in LOADING ZONE and COMMUNITY). ROBOTS completely outside their LOADING ZONE or COMMUNITY may not have CONTROL of more than 1 GAME PIECE, either directly or transitively through other objects.

G402       *GAME PIECES: use as directed. Robots may not deliberately use GAME PIECES in an attempt to ease or amplify challenges associated with Field elements.

H504       GAME PIECES through PORTALS only. GAME PIECES may only be introduced to the Field