American Football Rules IFAF Approved Ruling 10-2-2:VI
VI. Team A’s untouched punt from its end zone goes out of bounds at Team A’s 40-yard line. A2, in his end zone, clips Team B before the ball is kicked. RULING: Penalty – Safety (Rule 9-1 penalty) or Team B may snap the ball at the Team A 25-yard line after enforcement of the penalty from where the ball went out of bounds. [Cited by 8-5-1-b]