American Football NCAA Approved Ruling 7-1-4:I-II, X

I.  A30, lined up legally as a back, starts in motion legally. They then turn so that they still are legally in motion but are facing their line of scrimmage using a “side-step” motion. At the snap, A30 is bent slightly forward at the waist and is either continuing their “side-step” motion or is “marking time” in place. RULING: Legal. [Cited by 7-1-4-b-1]

II. A30, lined up legally as a back, starts in motion legally. They then turn so that they still are legally in motion but are facing their line of scrimmage using a “side-step” motion. At the snap, A30, still behind the neutral zone, is moving slightly forward from the waist up or their “side-step” motion has veered slightly toward the line of scrimmage. RULING: Live-ball foul at the snap for illegal motion. Penalty — Five yards from the previous spot. [Cited by 7-1-4-b-1]

X. A30, lined up legally as a back, starts in motion toward their opponent’s goal line. One yard behind the line of scrimmage, they tur n so that they are still in motion but facing the sideline and moving parallel to the line of scrimmage. At the snap, A30 is in motion one yard behind the line of scrimmage. RULING: Legal play. [Cited by 7-1-4-b-1]