American Football IFAF Approved Ruling 9-1-16:II

II. A1 kicks the ball, after which B1, unable to stop his attempt to block the kick, makes contact with the kicker or holder. RULING: This action could be either “Roughing” or “Running into” the kicker or holder. When in question, the ruling is to be “Roughing”, which carries a penalty of 15 yards and an automatic first down. [Cited by 9-1-16-a-2]