Line without being Touched.
1 4.3 In attempting to score a Try, a player must have control of the ball prior to 
placing it on or over the Try Line.
1 4.4 If a Player places the ball on the ground and releases it short of the Try Line 
while attempting to Score a Try, the Player is required to perform a Rollball to 
restart play and a Touch is counted. If a Player does not