American Football IFAF Approved Ruling 9-3-3:I, VII and IX
I. A6 is advancing the ball. During the run, A12 vigorously blocks B2 with a rough push in the back above the waist. RULING: Illegal block in the back. Penalty — 10 yards. [Cited by 2-3-4-a, 9-3-3-a-2, 9-3-6]
VII. A2’s hands contact defensive player B2 when B2 spins to avoid blocker A2, whose hands then contact B2’s back. After A2’s hands lose contact with B2, A2 advances and pushes B2 in the back. RULING: Illegal block in the back. Penalty — 10 yards. Enforce at the previous spot if the foul occurs behind neutral zone (Rule 2-3-4). Safety if the foul occurs behind Team A’s goal line. [Cited by 2-3-4-a, 9-3-3-a-1-b, 9-3-3-a-2, 9-3-6]
IX. A12 takes the snap and retreats to pass. Defensive end B95 gets past tackle A75 and is about to tackle A12, who is still inside the tackle box. A75 pushes B95 in the back at the numbers to prevent him from making the tackle. A12’s pass is complete for a touchdown. RULING: Foul for an illegal block in the back. Penalty — 10 yards. [Cited by 9-3-6]