American Football Rules IFAF Approved Ruling 10-2-5:XIII-XV

XIII. During an unsuccessful kick try from the three-yard line, Team A commits an illegal motion foul.
After the ball becomes dead, Team B fouls. RULING: Team B obviously will refuse the penalty for the Team A foul. Team B is penalised on the kickoff or at the succeeding spot in extra periods. [Cited by 8-3-1, 8-3-5] Fouls after a try and before the succeeding kickoff:
XIV. Either team fouls. RULING: Enforce the penalty on the kickoff unless the try is the last down of the game. [Cited by 8-3-1, 8-3-5]
XV. Both teams foul before either penalty is completed. RULING: The fouls cancel. [Cited by 8-3-1, 8-3-5]