American Football Rules IFAF Approved Ruling 8-5-1:I

I. A10, after receiving the snap in his own end zone, is downed with the ball resting on his goal line, its forward point being in the field of play. RULING: Safety. A part of the dead ball is on the ball carrier’s goal line. [Cited by 2-9-2, 4-2-4-a, 5-1-3-a-1, 8-5-1-a]