When the referee has awarded a penalty-kick, he shall not signal for it to be taken, until the players have taken up position in accordance with the law.
If, after the kick has been taken, the ball is stopped in its course towards the goal, by an outside agent, the kick shall be retaken.
If, when a penalty-kick is being taken, the player taking the kick is guilty of ungentlemanly conduct, the kick, if already taken, shall be retaken, if a goal is scored.
The player concerned shall be cautioned
If, after the referee has given the signal for a penalty-kick to be taken, and before the ball is played, a player of each team encroaches into the penalty-area, or within 10 yards of the penalty-mark, the kick, if taken, shall be retaken. The players concerned shall be cautioned.
When a match is extended, at half-time or full-time, to allow a penalty-kick to be taken or retaken the extension shall last until the moment that the penalty-kick has completed, i.e until the referee has decided whether or not a goal is scored, and the game shall terminate immediately the referee has made his decision.
After the player taking the penalty –kick has put the ball into play, no player other than the defending goalkeeper may play or touch the ball before the kick is completed