Quiz question for newbies (and others)

[Mark Padgett]

NF rules. During play, with both feet inbounds beyond the 3 point line, A1 takes a jump shot. The ball goes in the correct basket. He comes down with both feet inbounds still beyond the 3 point line. There is no foul or violation called on any player. Under what circumstance(s) could the official rule only two points should be credited?