T or not a T ?

[Jurassic Referee]

Originally Posted by jdw3018

Rule is not entirely clear, but I'd side with being able to call it, depending on your definition of "participating":

10-1-6...Have more than five team members participating simultaneously.
PENALTY: (Art. 6) Penalized if discovered while being violated.

Case book play 10.1.6(b) is clear.