American Football Rules IFAF Approved Ruling 6-3-9:I-II

I. A33 illegally touches a punt and the ball then rolls into Team B’s end zone, where Team B recovers and advances the ball into the field of play. RULING: The ball is dead when it strikes the ground in the end zone. Team B may choose a touchback or take the ball at the spot of Team A’s illegal touching (Rule 4-1-3-c). [Cited by 4-1-3-c, 6-3-9]
II. A punt goes into Team B’s end zone untouched by Team B beyond the neutral zone. Either (a) Team A or (b) Team B commits a personal foul after the ball touches the ground in the end zone. RULING: Touchback. Dead-ball foul after the touchback. Team B’s ball, first and 10
on the (a) 35-yard line or (b) 10-yard line after enforcement of the penalty at Team B’s 20. [Cited by 6-3-9]