Robot Touching Field Size

The rules state:

<G2> At the beginning of a Match, each Robot must: a. Only contact the Floor within a 13” x 13” area. b. Fit within a 13” x 20” area, bounded by the Starting Position. c. Be no taller than 15”.

After the match starts, can the robot contact the floor beyond the 13" x 13" size limitation?

Yes, this is legal.