ARTICLE 3.A drop kick is a kick by a player who drops the ball and kicks it as it touches the ground.
CFO Bulletin October 2019
Play #1: After a Touchdown and successful 2 point try, Team A trails 24 — 22 with 0:55 left in the 4th quarter. Team A intends to try an on-side free kick from the A-35. Kicker A90 holds the ball as if he will attempt a drop kick. A-90 then tosses the ball up in the air and the ball bounces just behind Team A's restraining line and then A90 kicks the ball after it bounces several feet into the air.
RULING: Illegal Kick. Dead-ball foul. Penalty — Five yards from the succeeding spot. This kick does not meet the requirements of a Drop Kick as required in Rule 2-16-3. For a legal drop kick the kicker must drop the ball and kick it as it touches the ground. Since Rule 2-16-6 only allows a place kick or a drop kick for a kickoff, this kick is not a legal kick. The penalty enforcement follows the current Approved Ruling 6-1-2, l.