American Football Rules IFAF Approved Ruling 5-1-3:I-II

I. Airborne A1 receives a legal forward pass one yard within the opponent’s end zone. As A1 receives the ball, he is contacted by B1 and first comes to the ground with the catch at the one-yard line, where the ball is declared dead. RULING: Touchdown (Rule 8-2-1-b). [Cited by 2-9-2, 5-1-3-a-2, 8-2-1-b]
II. Airborne A1 receives a legal forward pass one yard within Team B’s end zone. As A1 receives the ball, he is contacted by B1 and first comes to the ground, on his feet, with the catch at the one-yard line. After he regains his balance, he runs and is downed at Team B’s five- yard line. RULING: Not a touchdown. Team A’s ball at the spot where the ball is declared dead. [Cited by 2-9-2, 8-2-1-b]