Interchange. There is 
a maximum of eight (8) substitute players in any Team and except 
when interchanging, in the Sin Bin, dismissed or on the Field of Play, 
they must remain in the Substitution Box.
Tap and Tap Penalty The method of commencing the match, recommencing the match 
after Half Time and after a Try has been scored. The Tap is also the 
method of recommen