American Football Rules IFAF Approved Ruling 3-4-4:III

III. Team A is leading 24-21 with less than one minute in the game and the game clock running. With the ball ready for play on third and seven at the B-35, tackle B55 jumps across the neutral zone and contacts A77. The officials shut the play down with the game clock showing 0:38. Team B is out of timeouts. RULING: Offside against Team B. Five-yard penalty and a 10-second runoff from the game clock. The game clock is set at 0:28. Third and two at the B-30. The clock starts on the referee’s signal. [Cited by 3-4-4-a-1]