A4 commits his/her fifth foul. The official notifies the coach, then signals the timer to begin the 15-second interval for replacing the player and then notifies the player regarding the disqualification. In (a), the required substitute reports within 5 seconds; (b) no substitute has reported by the end of the 15-second interval.
In (a), the substitute is beckoned into the game by the officials and play resumes. In (b), the timer shall signal a warning horn at the beginning of 15 seconds and then sound another horn at the end of the 15-second interval.