13.13 DROP-OUT MUST CROSS THE LINE

(a) If the ball does not cross the 22-metre line, the opposing team has two choices:
To have another drop-out, or
To have a scrum at the centre of the 22-metre line.
They throw in the ball.
(b) If the ball crosses the 22-metre line but is blown back, play continues.
(c) If the ball does not cross the 22-metre line, advantage may apply. An opponent who plays the ball can score a try.