Please use this as a general guide to ensure the players are in the correct age grade:
U6 = Yr 0 & Yr 1
U8 = Yr 2 & Yr 3
U10 = Yr 4
U12 = Yr 5 & Yr 6
U14 = Yr 7 & Yr 8
Players can play up a grade - ie, Yr 3 playing in the U10 grade.
Players cannot play down a grade - ie Yr 4 playing in the U8 grade.